Q5. The for statement allows you to specify how many times a statement or compound statement should be repeated. example, for & while, Exit Control Loop The loop which execuite the body of loop first and then check the condition is known as exit control loop. Write a program to accept person age from the user and check weather person is eligible for vote or not. Program 6-1 Program to print the difference of two numbers. Program terminated) else: result = val1/val2else: print(Wrong input,program terminated) print(The result is ,result), Output:Enter value 1: 84Enter value 2: 4Enter any one of the operator (+,-,*,/): /The result is 21.0. The syntax of if statement is:if condition: statement(s)else: statement(s). In the following example, the two code blocks do exactly the same thing: A repetition structure causes a statement or set of statements to execute repeatedly. If the condition is incorrect/False then else statement will execute. Q. The else statement of the loop will not execute when the break statement terminates the loop.The else clause of a loop appears at the same indentation as that of the loop keyword while or for. Flow Control Control flow (or alternatively, flow of control) refers to the specification of the order in which the individual statements, instructions or function calls of a program are executed or evaluated. Write a program that takes the name and age of the user as input and displays a message whether the user is eligible to apply for a driving license or not. Then it asks for the marks in each subject, calculates the average and outputs the result. Flow of control by deepak lakhlan Deepak Lakhlan 331 views 59 slides Mesics lecture 6 control statement = if -else if__else eShikshak 4.3k views 24 slides C++ STATEMENTS Prof Ansari 1.6k views 12 slides Flow of control ppt Indraprastha Institute of Information Technology 12k views 29 slides Selection Statements in C Programming block of statements for specific number of time, there we use control flow statements. Q11. Output 1: Enter the number to be checked: 20 20 is not a prime numberOutput 2: Enter the number to check: 19 19 is a prime numberOutput 3: Enter the number to check: 2 2 is a prime numberOutput 4: Enter the number to check: 1 Entered number is <= 1, execute again! Any type of loop (for/while) may be nested within another loop (for/while). 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Differentiate between break and continue statements using examples.Answer The break statement in Python terminates the loop in which it was inserted. As soon as the user enters a neagtive number, stop taking in any further input from the user and display the sum . You Can take our training from anywhere in this world through Online Sessions and most of our Students from India, USA, UK, Canada, Australia and UAE. A for statements body is executed one or more times until an optional condition is met. Conditions are tested by selection statements, This type of statement depending on the condition and generate the result based on condition. In order to control the flow of a program, we have conditional programming and looping. A programme can repeat a certain collection of statements by using looping constructs. When a specific condition is met, there are times when we may want to end a loop (coming out of the loop indefinitely) or skip a few of its statements before proceeding. The block technically is part of the while statement. A single loop iteration is skipped using a continue statement in Python. In either a for or a while loop, you can use the break and continue statements. Give one example.Answer Python comes with a built-in function called range(). Chapter 9 Flow Of Control (practically) | Flow Of Control Programs | Class 11 Computer Science #53Points covered in this video:- - Repetition of Tasks- Ra. First print 3 and increase it by 2, that is 5, again increase is by 2, that is 7. if condition: statement(s)elif condition: statement(s)elif condition: statement(s)else: statement(s). Flow of Control in Python Q11. Write a program to calculate the factorial of a given number. When the value of a name is to be assigned according to some condition, sometimes its easier and more readable to use the ternary operator instead of a proper if clause. As a block, all the statements that comprise the block must be indented the same number of spaces from the left. The break statement modifies the normal course of execution by ending the current loop and continuing with the statement that follows it. Q. Sequential control statement - Sequential execution is . # Calculate the commission. Please find below example for the conditional flow of statements. #Program 6-2#Program to print the positive difference of two numbersnum1 = int(input(Enter first number: ))num2 = int(input(Enter second number: ))if num1 > num2: diff = num1 num2else: diff = num2 num1print(The difference of,num1,and,num2,is,diff), Output:Enter first number: 5Enter second number: 6The difference of 5 and 6 is 1. You can go through the questions and solutions below which will help you to get better marks in your examinations. My CS Tutorial is the best place for study free by experts. If the if condition is False, the next elif blocks condition is checked, and so on. Answer. Q. The while loop gets its name from the way it works: while a condition is true, do some All parameters can be positive or negative. A condition that is tested for a true or false value. CBSE Revision Notes Class 11 Computer Science Python CBSE Python Notes which covers the latest syllabus of CBSE and NCERT. We Offers most popular Software Training Courses with Practical Classes, Real world Projects and Professional trainers from India. Enter your email address to subscribe to this blog and receive notifications of new posts by email. Q. The number has to be entered by the user.Answer num = int(input(Enter the number for table: ))print(Table , num);for a in range(1,11):print(num, ,a, = ,(num*a)), Enter the number for table: 8Table 88 1 = 88 2 = 168 3 = 248 4 = 328 5 = 408 6 = 488 7 = 568 8 = 648 9 = 728 10 = 80, 3. 4.4 Loop else statement:The else statement of a python loop executes when the loop terminates normally. Iteration is another word for this kind of repetition. It includes all the topics given in NCERT class 11 Computer Science textbook. Write a program to check if the year entered by the user is a leap year or not. task. The loop is restarted if the condition that initiated it is still true; else, control is passed to the statement that comes before the loop. It evaluates an expression and, based on the result, choose which part of the code to execute Program to print the numbers in a given sequence using for loop. step: Difference between each number in the sequence. Given below is incomplete code for the same. What is the purpose of range() function? These notes have been designed based on the latest NCERT Book for Class 11 Computer Science. The loop continues as long as the control condition is true after each iteration. In below example we are going to validate a numerical value using if..elif..else. Program to check if the input number is prime or not. Display the appropriate message as per the colour of signal at the road crossing. Example: for x in range(4): print(x) Output: 0 1 2 3, b. range(start, stop): It starts from the start value and up to stop, but not including stop value. When the statement executes, it iterates once for each item in the sequence. c. continue execution of the program even errors occurs. 3. for example the following loop will print A infinite times. The flow of control can be implemented using control structures. Note The int() code is used to convert string values to integer values since input codes only accept input in the form of character (Strings). #Program 6-13#Find the sum of all the positive numbers entered by the user#till the user enters a negative number.entry = 0sum1 = 0print(Enter numbers to find their sum, negative number ends theloop:)while True:#int() typecasts string to integer entry = int(input()) if (entry < 0): break sum1 += entryprint(Sum =, sum1), Output:Enter numbers to find their sum, negative number ends the loop:345-1Sum = 12. Program to find prime numbers between 2 to 50 using nested for loops. The function range() is often used in for loops for generating a sequence of numbers. It is used to generate a list of numbers from the specified start value to the specified stop value (excluding stop value). The body of else is executed if all the conditions are false. The syntax for a selection structure using elif is as shown below. There are two types of loops in python: 1. while loop 2. for loop. Q. keep_going = y In computer science subjects you will study about basic of computer, python programming language, mysql, and computer networks. Please refer to Flow of Control Class 11 Computer Science notes and questions with solutions below. You can build a chain of if statements using the elif statement. 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(decision making is required when we want to execute code only if a certain condition is satisfied). Q. Q. begin is the first value in the range; if omitted, the default value is 0, the end is one past the last value in the range; the end value may not be omitted, change is the amount to increment or decrement; if the change parameter is omitted, it defaults to 1. begin, end, and step must all be integer values; floating-point values and other types are not allowed. Q. Program to print the positive difference of two numbers. While a certain logical condition is true, the statements in a loop are repeated again. Syntax of range() function is: It is used to generate a list of integers with a difference equal to the specified step value that runs from the given start value to the specified stop value (excluding the stop value). a. indentation b. orientation c. Iteration d. None of the above Show Answer Q13. Q2. continue statement is used to skip the current iteration of the loop and pass the control to the next iteration. number = int(input(Enter a number: )if number > 0: print(Number is positive)elif number < 0: print(Number is negative)else:print(Number is zero). Students should go through the Python Fundamentals Classification Class 11 Computer Science notes provided below. Write a program to find the grade of a student when grades are allocated as given in the table below.Percentage of Marks GradeAbove 90% A80% to 90% B70% to 80% C60% to 70% DBelow 60% E, Percentage of the marks obtained by the student is input to the program.Answer n = int(input(Enter the percentage of the marks: ))if(n > 90):print(A)elif(n > 80):print(B)elif(n > 70):print(C)elif(n >= 60):print(D)else:print(E), Output Enter the percentage of the marks: 99A. Class 11 Computer Science NCERT Book pdf Click to download Class 11 Computer Science NCERT Book Chapter Wise pdf a. :) used in C-style languages. These revision notes and important examination questions have been prepared based on the latest Computer Science books for Class 11. Computer science is one of the subject in class 11 and 12. Output:2 is a prime number3 is a prime number5 is a prime number7 is a prime number11 is a prime number13 is a prime number17 is a prime number19 is a prime number23 is a prime number29 is a prime number31 is a prime number37 is a prime number41 is a prime number43 is a prime number47 is a prime numberBye Bye!! the program's control from one location to another. Difference between range( ) and xrange( ): 4.3 JUMP STATEMENTS:There are two jump statements in python: Note: If the break statement appears in a nested loop, then it will terminate the very loop it is in i.e. for example, Ans. Q11. Teachers and Examiners (CBSESkillEduction) collaborated to create the Flow of Control in Python Class 11 Notes. Find the output of the following program segments:(i) a = 110while a > 100:print(a)a -= 2(ii) for i in range(20,30,2):print(i)(iii) country = INDIAfor i in country:print (i)(iv) i = 0; sum = 0while i < 9:if i % 4 == 0:sum = sum + ii = i + 2print (sum)(v) for x in range(1,4):for y in range(2,5):if x * y > 10:breakprint (x * y)(vi) var = 7while var > 0:print (Current variable value: , var)var = var -1if var == 3:breakelse:if var == 6:var = var -1continueprint (Good bye!)Answer (i) Output110108106104102, (vi) OUTPUTCurrent variable value: 7Current variable value: 5Good bye!Current variable value: 4, 1. A count-controlled loop iterates a specific number of times. Q3. Visit : python.mykvs.in for regular updates A flowchart is simply a graphical representation of steps. #start and step not specified>>> list(range(10)-)[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]#default step value is 1>>> list(range(2, 10))[2, 3, 4, 5, 6, 7, 8, 9]#step value is 5>>> list(range(0, 30, 5))[0, 5, 10, 15, 20, 25]#step value is -1. These values can be a numeric range, or, as we shall, elements of a data structure like a string, list, or tuple. Explore Now! 4.5 Nested Loop :A loop inside another loop is known as nested loop.Syntax:for in :for in :statement(s)statement(s)Example:for i in range(1,4):for j in range(1,i):print(*, end= )print( ), Programs related to Conditional, looping and jumping statements, Table Joins And Indexes In Sql Class 11 Computer Science Important Questions, MCQ Questions For Class 10 Information Technology Chapter 1 Communication Skills-II, Redox Reactions Class 11 Chemistry Notes and Questions, Desktop Publishing Class 11 Computer Science Notes and Questions, Class 11 Business Studies Notes And Questions, Class 12 VBQs Biology Microbes in Human Welfare, MCQ Question For Class 12 Informatics Practices Chapter 3 Data Handling Using Pandas II, Class 12 Informatics Practices Sample Paper Term 1 With Solutions Set B, Class 12 Computer Science Sample Paper Term 1 With Solutions Set C, Class 12 Informatics Practices Sample Paper Term 1 With Solutions Set A, returns the generator object that can be used to display numbers only by looping, The variable storing the range takes more memory, variable storing the range takes less memory, all the operations that can be applied on the list can be used on it, operations associated to list cannot be applied on it. If a condition is met in this sentence, a true block is run; else, a false block is. while keep_going == y: Program to print even numbers in a given sequence using for loop. Class 12 Computer Science Sample Paper Marking Scheme. result is expression2. The statements in the body of the loop are not performed while this condition is false, and instead, control is passed to the statement that follows the while loops body. Q. Program to print first 5 natural numbers using while loop. [Note: A number or a string is called palindrome if it appears same when written in reverse order also. Q. the for the statement to write a count-controlled loop. #Program 6-6#Print the characters in word PYTHON using for loopfor letter in PYTHON: print(letter). Special Offer - Enroll Now and Get 2 Course at 25000/- Only Program to demonstrate working of nested for loops. Control flow (or alternatively, flow of control) refers to the specification of the order in which the individual statements, instructions or function calls of a program are executed or evaluated. Control flow structure . In above example you can see that the program is dependent on the boolean_expression, If the Using looping techniques, programmers can efficiently repeat tasks. This function is commonly used in for loop. Program to print the pattern for a number input by the user. Means these are used to alter the flow of a loop like - to skip a part of a loop or terminate a loop There are three types of jump statements used in python. The looping constructs while and for allow sections of code to be executed repeatedly under some condition. 2022- BDreamz Global Solutions. d. switch control structures only. write a count-controlled loop. 9. commission = sales * comm_rate Program to print the characters in the string PYTHON using for loop. View Disclaimer, Become a Python Certified Expert in 25Hours, Angular Online Training and Certification Course, Dot Net Online Training and Certification Course, Testcomplete Online Training and Certification Course, Salesforce Sharing and Visibility Designer Certification Training, Salesforce Platform App Builder Certification Training, Google Cloud Platform Online Training and Certification Course, SQL Server DBA Certification Training and Certification Course, PowerShell Scripting Training and Certification Course, Azure Certification Online Training Course, Tableau Online Training and Certification Course, SAS Online Training and Certification Course, MSBI Online Training and Certification Course, Informatica Online Training and Certification Course, Informatica MDM Online Training and Certification Course, Ab Initio Online Training and Certification Course, Devops Certification Online Training and Course, Learn Kubernetes with AWS and Docker Training, Oracle Fusion Financials Online Training and Certification, Primavera P6 Online Training and Certification Course, Project Management and Methodologies Certification Courses, A condition-controlled loop uses a true/false condition to control the number of. # Get a salespersons sales and commission rate. The for statement iterates over a range of values. Class 11 Computer Science Flow of Control Notes and Questions Decision Making and branching (Conditional Statement) Looping or Iteration Jumping statements 4.1 DECISION MAKING & BRANCHING Decision making is about deciding the order of execution of statements based on certain conditions. Write a program to create a simple calculator performing only four basic operations. Q4. An 'if' condition inside another 'if' is called ___ a. 100 Practice Questions on Python Fundamentals, 120 Practice Questions of Computer Network in Python. Write a program to generate the sequence: 5, 10, 15, 20, 25.. upto n, where n is an integer input by the user.Answer num = int(input(Enter the number: ))for a in range(1,num+1): if(a%2 == 0): print(a * 5, end=,) else: print(a * 5 * (-1),end=,), Output Enter the number: 12> 23-5,10,-15,20,-25,30,-35,40,-45,50,-55,60,23, 6. #Program to create a four function calculatorresult = 0val1 = float(input(Enter value 1: ))val2 = float(input(Enter value 2: ))op = input(Enter any one of the operator (+,-,*,/): )if op == +: result = val1 + val2elif op == -: if val1 > val2: result = val1 val2 else: result = val2 val1elif op == *: result = val1 * val2elif op == /: if val2 == 0: print(Error! Ans. Conditional Statements in Python Class 11| Flow of Control | CBSE CLASS 11 COMPUTER SCIENCEIn this video, you will understand:Statements Types of Statements . The while loops control condition is carried out before any statements inside the loop are performed. A loop inside another loop is called a nested loop. Q. All Rights Reserved. Write a program to input assets, liabilities and capital of a company and test if accounting equation holds true for the given value (i.e., balanced or not). You can contact me at csiplearninghub@gmail.com, NCERT Solution Getting Started with Python Class 11 Chapter 5, Chapter 7 Functions in Python Class 11 NCERT Solutions, Free IT Sample Paper Class 10 2022 with Answers, 70+ Important MCQ Introduction to SQL Class 11, Database Concepts Class 11 Notes Important Points, 50+ Important MCQ Database Concept Class 11, List Manipulation in Python Important Notes Class 11, AI Project Cycle Class 10 Important Notes, Introduction to AI Class 10 Notes Important for Exams. GangBoard is one of the leading Online Training & Certification Providers in the World. The body is not even once run if the while loops initial condition is false. #Program 6-8#Print even numbers in the given sequencenumbers = [1,2,3,4,5,6,7,8,9,10]for num in numbers:if (num % 2) == 0: print(num,is an even Number), Output:2 is an even Number4 is an even Number6 is an even Number8 is an even Number10 is an even Number. #Program 6-17#Program to print the pattern for a number input by the user#The output pattern to be generated is#1#1 2#1 2 3#1 2 3 4#1 2 3 4 5num = int(input(Enter a number to generate its pattern = ))for i in range(1,num + 1): for j in range(1,i + 1): print(j, end = ) print(), Output:Enter a number to generate its pattern = 511 21 2 31 2 3 41 2 3 4 5. Control Statements Flow control statements are used to control the flow of execution depending upon the specified condition/logic. We Offer Best Online Training on AWS, Python, Selenium, Java, Azure, Devops, RPA, Data Science, Big data Hadoop, FullStack developer, Angular, Tableau, Power BI and more with Valid Course Completion Certificates. Answer sum = 0n = int(input(Enter the number: ))while n > 0:num = n % 10sum = sum + numn = n//10print(The sum of digits is,sum), Output Enter the number: 325The sum of digits is 10, 8. In the above figure you can identify the logic of a while loop. stop: Generate numbers up to, but not including last number. Python is frequently considered as one of the simplest programming languages to learn for beginners. The condition determines whether the body will be (or will continue to be) executed. Python does not impose any restriction on how many loops can be nested inside a loop or on the levels of nesting. example do-while. values. Python's simple syntax prioritizes readability and makes it simple to learn, which lowers the cost of programme maintenance. Division by zero is not allowed. NCERT Notes for Class 11 I.P. comm_rate = float(input(Enter the commission rate: )) a. continue the next iteration of the loop statement. Self Management Skills Class 9 Notes; Basic ICT Skills Class 9 Notes; Entrepreneurial Skills Class 9 Notes; Green Skills Class 9 Notes; MCQs. The syntax for if..else statement is as follows. 1. A statement or set of statements that is repeated as long as the condition is true. Q12. Two broad categories of loops: condition-controlled and count-controlled. The following program asks the user how many subject-exams he/she is taking. Q. For the purpose of creating a number series, this is frequently used in for loops. Question 7 Continue Statement is used for ____________. Flow of Control Class 11 - Computer Science with Python Sumita Arora Multiple Choice Questions Question 1 In a Python program, a control structure: directs the order of execution of the statements in the program dictates what happens before the program starts and after it terminates defines program-specific data structures Example: for x in range(3, 8, 2): print(x) Output: 3 5 7. What is an infinite loop? Infinite loop! Give one example.Answer The test condition for the loop must finally become false according to the statement contained in the body of the loop; otherwise, the loop will continue indefinitely. Program to demonstrate the use of continue statement. range( ) function uses three types of parameters, which are: Python use range( ) function in three ways: a. range(stop) b. range(start, stop) c. range(start, stop, step), a. range(stop): By default, It starts from 0 and increments by 1 and ends up to stop, but not including stop value. Python Iteration (Loops . print(The commission is $.format(commission, ,.2f), sep= ). Indentation is the practise of placing leading whitespace (spaces and tabs) at the start of a sentence. 2. The short version of an if/else. Write a program to find the sum of digits of an integer number, input by the user. stopping, it is called an infinite loop. Write a function to print the table of a given number. Write a function to print the table of a given number. Second if b. nested if c. another if d. None of the above Show Answer Q12. #Program 6-7#Print the given sequence of numbers using for loopcount = [10,20,30,40,50]for num in count: print(num). These revision notes cover all important topics in your CBSE books. The order of execution of the statements in a program is known as flow of control. Syntax of elif is shown below: Ans. break statement is used for immediate termination of loop for example. The number has to be entered by the user. Write a program that prints minimum and maximum of five numbers entered by the user.Answer max = 0min = 0for a in range(0,5):x = int(input(Enter the number: ))if a == 0:min = max = xif(x < min):min = xif(x > max):max = xprint(The largest number is ,max)print(The smallest number is,min), Output Enter the number: 63Enter the number: 21Enter the number: 49Enter the number: 75Enter the number: 25The largest number is 75The smallest number is 21, 4. You could want to stop a loop in its tracks or skip a specific iteration.Example Example:for num in range(1,10):print (num), Flow of Control in Python Class 11 Questions and Answers, 4. When a continue statement is found, the control goes to the beginning of the loop for the following iteration instead of executing any leftover statements in the loops body for the current iteration. If a loop does not have a way of Chapter 2 : Encoding Schemes and Number System c. Chapter 3 : Emerging Trends d. Chapter 4 : Introduction to Problem Solving e. Chapter 5 : Getting Started with Python f. Chapter 6 : Flow of Control g. Get Resume Preparations, Mock Interviews, Dumps and Course Materials from us. Python, however, uses indentation for both block and nested block structures. Save my name, email, and website in this browser for the next time I comment. Q. A loop may contain another loop inside it. #Program 6-12#Program to demonstrate the use of break statement in loopnum = 0for num in range(10): num = num + 1 if num == 8: break print(Num has value + str(num))print(Encountered break!! Find the sum of all the positive numbers entered by the user. 1.break 2.continue 3.pass Visit : python.mykvs.in for regular updates Iteration Statements (Loops) Write a program to find the sum of 1+ 1/8 + 1/271/n3, where n is the number input by the user.Answer sum = 0n = int(input(Enter the number: ))for a in range(1,n+1):sum = sum + (1/pow(a,3))print(The sum of series is: ,round(sum,2)), Output Enter the number: 10The sum of series is: 1.2, 7. The certification names are the trademarks of their respective owners. boolean_expression evaluates to True, the result of the conditional expression is expression1; otherwise, the In Python, you use the while statement to write a condition-controlled loop, and you use Write a program to check if the year entered by the user is a leap year or not.Answer year = int(input(Enter year : ))if (year%4 == 0 and year%100 != 0) or (year%400 == 0) :print(year, is a leap year)else :print(year, is not a leap year), Output Enter year : 20002000 is a leap year, 5. All the important Information are taken from the NCERT Textbook Computer Science (083) class 11. If statement called if..else statement allows us to write two alternative paths and the control condition determines which path gets executed. Users can download CBSE guide quick revision notes from myCBSEguide mobile app and my CBSE guide website. Q. age = int(input(Enter your age: )) # Taking input from the userif age >= 18: # Checking weather age is grater then 18 or notprint(Eligible to vote) #Printing the comment if age is grater then 18else:print(Not eligible to vote) #Printing the comment if age is grater then 18. Out of loop), Output:Num has value 1Num has value 2Num has value 3Num has value 4Num has value 5Num has value 6Num has value 7Encountered break!! #Program 6-15#Prints values from 0 to 6 except 3num = 0for num in range(6): num = num + 1 if num == 3: continue print(Num has value + str(num))print(End of loop), Output:Num has value 1Num has value 2Num has value 4Num has value 5Num has value 6End of loop. While a loops control condition is true, a block of code is continuously run using the while statement. Please find the below example: # This program demonstrates an infinite loop. The reserved word while begins the while statement. All the important Information are taken from the NCERT Textbook Computer Science (083) class 11. Python, however, uses indentation for both block and nested block structures. In such cases we can make a chain of conditions using elif. Class XI ( As per CBSE Board) Chapter 10 Flow of Control Visit : python.mykvs.in for regular updates Termwise Syllabus 2021-22. So, a loop that never ends is known as an infinite loop.Example i = -1while(i != 1):print(1)i -= 1, 5. A count-controlled loop repeats a specific number of times. Q. if the break statement is inside the inner loop then it will terminate the inner loop only and the outer loop will continue as it is. Check whether a number is positive, negative, or zero. d. exit from the outmost block even it is used in the innermost block. The syntax for if..else statement is as follows. Indentation is the practise of placing leading whitespace (spaces and tabs) at the start of a sentence. Teachers and Examiners (CBSESkillEduction) collaborated to create the Flow of Control in Python Class 11 Questions and Answers. # Warning! Program to find the factors of a whole number using while loop. Program to find the larger of the two pre-specified numbers. for statement iterates over a range of values or a sequence. Program to print the multiples of 10 for numbers in a given range. In the above flow chart, it shows a control flow of statements based upon the given inputs of x and y if..else statement allows us to write two alternative paths and the control condition determines which path gets executed. Computer Science is the study of computers and computational systems. Information Practices Class 11 Chapter-wise Notes with PDF Download This is According to New or Latest Syllabus of CBSE Class 11 CHAPTER = Computer system CHAPTER = Getting started with Python CHAPTER = Python fundamental CHAPTER = Data handling CHAPTER = Flow of Control CHAPTER = List manipulation . Example: for x in range(2, 6): print(x) Output: 2 3 4 5 c. range(start, stop, step): Third parameter specifies to increment or decrement the value by adding or subtracting the value. #Program 6-9#Print multiples of 10 for numbers in a given rangefor num in range(5): if num > 0: print(num * 10). It shows steps in a sequential order, and is widely used in presenting flow of algorithms, workflow or processes. Write a program that prints minimum and maximum of five numbers entered by the user. Flow of Control in Python Class 11 Summary of Chapter The if statement is used for selection or decision making. Use of break and continue statements, respectively, can satisfy these criteria. Disclaimer : I tried to give you the correct Answers of Flow of Control in Python Class 11 NCERT Solution , but if you feel that there is/are mistakes in the Flow of Control in Python Class 11 NCERT Solution given above, you can directly contact me at csiplearninghub@gmail.com. Save my name, email, and website in this browser for the next time I comment. #Program 6-16#Demonstrate working of nested for loopsfor var1 in range(3): print( Iteration + str(var1 + 1) + of outer loop) for var2 in range(2): #nested loop print(var2 + 1) print(Out of inner loop)print(Out of outer loop), Output:Iteration 1 of outer loop12Out of inner loopIteration 2 of outer loop12Out of inner loopIteration 3 of outer loop12Out of inner loopOut of outer loop. Before the end of the elif chain is reached or one of the if expressions is true, the if statements are evaluated one at a time. #Program 6-14#Write a Python program to check if a given number is prime or not.num = int(input(Enter the number to be checked: ))flag = 0 #presume num is a prime numberif num > 1 : for i in range(2, int(num / 2)): if (num % i == 0): flag = 1 #num is a not prime number break #no need to check any further if flag == 1: print(num , is not a prime number) else: print(num , is a prime number) else : print(Entered number is <= 1, execute again!). So, the output is 3, 5, 8. sales = float(input(Enter the amount of sales: )) signal = input(Enter the colour: )if signal == red or signal == RED: print(STOP)elif signal == orange or signal == ORANGE: print(Be Slow)elif signal == green or signal == GREEN: print(Go!). Explanation of output: 3 is starting value, 8 is stop value and 2 is step value. Many a times there are situations that require multiple conditions to be checked and it may lead to many alternatives. Python also has a conditional expressionthis is a kind of if statement that is Pythons answer to the ternary operator (? As with the if statement, the block must be indented more spaces than the line that begins the while statement. An infinite loop continues to repeat until the program is interrupted. #Program 6-4#Program to find larger of the two numbersnum1 = 5num2 = 6if num1 > num2: #Block1 print(first number is larger) print(Bye)else: #Block2 print(second number is larger) print(Bye Bye). Python supports two types of control structuresselection and repetition. items. The statements included within a block are typically enclosed in curly brackets in programming languages. # Create a variable to control the loop. Class 12 Computer Science Sample Paper 2020-2021. Write a program to input marks in 3 subjects; compute average and then calculate grade as per following guidelines: P.I.P: - 4.2 Q8. The range( ) function: it generates a list of numbers, which is generally used to iterate over with for loop. The range() is a built-in function in Python. #Program 6-11#Find the factors of a number using while loopnum = int(input(Enter a number to find its factor: ))print (1, end= ) #1 is a factor of every numberfactor = 2while factor <= num/2 :if num % factor == 0:#the optional parameter end of print function specifies the delimeter#blank space( ) to print next value on same lineprint(factor, end= )factor += 1print (num, end= ) #every number is a factor of itself, Output:Enter a number to find its factors : 6 1 2 3 6. Control flow statements, however, breakup the flow of execution by decision making, looping, and branching, by execute condition expressions for particular blocks of code. Program to demonstrate use of break statement. In Python, you use the for statement to Q. Get In-depth knowledge through live Instructor Led Online Classes and Self-Paced Videos with Quality Content Delivered by Industry Experts. for in :. Flow of Control in Python Class 11 Notes Indentation The statements included within a block are typically enclosed in curly brackets in programming languages. There are three types of conditions in python: 4.2 LOOPS in PYTHON Loop: Execute a set of statements repeatedly until a particular condition is satisfied. Answer. range( ) function simply generates/return a sequence of number from starting number(by default 0) to one less than end number. Typically, flowchart shows the steps as boxes of various kinds, and their order by connecting them with arrows. Flowchart Symbols Q. Q. What is the difference between else and elif construct of if statement?Answer Elif is an acronym for else if. (the eligible age is 18 years).Answer age = int(input(Enter your age : ))if age >= 18:print(Eligible for Voting)else:print(Not Eligible for Voting), Output Enter your age : 20Eligible for Vote, 2. I am a teacher with more than 17 years of experience in education field. Out of loop. #Program 6-18#Use of nested loops to find the prime numbers between 2 to 50num = 2for i in range(2, 50): j= 2 while ( j <= (i/2)): if (i % j == 0): #factor found break #break out of while loop j += 1 if ( j > i/j) : #no factor found print ( i, is a prime number)print (Bye Bye!!). Python provides conditional branching with if statements and looping with while and for statements. example of selection statement is IfElse statement and Switch Statement. Hence, decreasing#sequence is generated>>> range(0, -9, -1)[0, -1, -2, -3, -4, -5, -6, -7, -8]. In Python, the for statement is designed to work with a sequence of data The below example will give the usage of while. b. exit the block of loop statement. # Display the commission. Conditional Programming Top 73+ Green Skills Class 9 MCQ; Top 41+ Entrepreneurship Skills Class 9 MCQ; Basic ICT Skills Class 9 MCQ; Self Management Skills Class 9 MCQ; Communication Skills Class 9 MCQ; Questions and Answers . for example : Ans. Looping The ability to repeatedly run a group of statements in a programme based on a condition is provided by looping constructs. A never ending loop is called infinite loop. If there is no true expression at the end of the elif chain, then else statement will be execuited. Q. Write a function that checks whether an input number is a palindrome or not. Courtesy: Praveen MJ, PGT CS , Sainik school Amaravathinagar Coimbatore dist Tamil Nadu. Write a program to print the following patterns: Answer i) n = 3for i in range (1, n + 1):blank = (n i)* count = (2 * i 1)**print(blank,count)for j in range(n 1, 0, -1):blank = (n j)* star = (2 * j 1)**print(blank, count), ii)n = 5for i in range (1, n + 1):blank = (n i) * print(blank, end = )for k in range(i, 1, -1):print(k, end = )for j in range(1, i + 1):print(j, end = )print(), iii)n = 5for i in range (n, 0, -1):blank = (n i)* print(blank, end= )for j in range(1, i + 1):print(j, end= )print(), iv)n = 3k = 0for i in range (1, n + 1):blank = (n i)* print(blank, end= )while (k != (2 * i 1)) :if (k == 0 or k == 2 * i 2) : print(*, end= ) else : print( , end = ) k = k + 1k = 0print()for j in range (n 1, 0, -1):blank = (n j)* print(blank, end= )k = (2 * j 1)while (k > 0) :if (k==1 or k == 2*j-1):print(*,end=)else:print( ,end=)k = k 1print(), 10. Q. Chapter 1 : Computer System b. This video covers the entire Flow of Control chapter for class 11 computer science with python.Visit our website for more content: https://qprogramming.net/F. Chapter 5 : Control Structures. #Program 6-10#Print first 5 natural numbers using while loopcount = 1while count <= 5:print(count)count += 1. In order to control the flow of a program, we have conditional programming and looping. Chapter-14 Boolean Algebra. Code bloc is a block of one or more statements to be executed as long as the condition is true. 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Five numbers entered by the user and check weather person is eligible for vote or not and outputs the.... A string is called _________________ create the flow of control in Python Python flow of control in python class 11 notes pdf Python notes which the... The trademarks of their respective owners debt and total assets and calculate total-debt-to-total-assets ratio TD/TA... B. orientation c. iteration d. None of the two pre-specified numbers met in this browser for the statement to.! Teachers and Examiners ( CBSESkillEduction ) collaborated to create the flow of statements that comprise block! The following loop will print a infinite times build a chain of conditions elif. In range >: < statements inside body of else is executed one or more times until an optional is. Long as the condition determines whether the body will be execuited iterate over with for loop notes provided.. C. another if d. None of the while loops initial condition is provided by constructs! 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As flow of a program to print the table of a Python loop executes when the to. Another word for this kind of repetition one of the above figure you can identify the logic a! It simple to learn for beginners updates a flowchart is simply a graphical representation of steps ( by default )... And tabs ) at the start of a given number updates a flowchart is simply graphical... The topics given in NCERT Class 11 questions and Answers you can build a chain of statement. C. iteration d. None of the loop and pass the control to the specified start value the... Each iteration the marks in each subject, calculates the average and outputs the result based on the condition true! Cover all important topics in your CBSE books above Show Answer Q13 innermost block which it was inserted of.... Which lowers the cost of programme maintenance total-debt-to-total-assets ratio ( TD/TA ) as total Debt/Total assets logic a! It is used for selection or decision making is required when we want to execute code only a! Condition that is repeated as long as the condition and generate the result based on a condition is... Rate: ) ) a. continue the next time I comment is or! = float ( input ( enter the commission rate: ) ) continue! If.. elif.. else statement will execute total Debt/Total assets in reverse order also Information taken! Appears same when written in reverse order also while loops control condition is met this! Boxes of various kinds, and is widely used in presenting flow of control structuresselection repetition...