Model Answer VTU-ADP-18CS55-Feb 2021 Dr. Paras Nath Singh, Professor ...

Model Answer VTU-ADP-18CS55-Feb 2021 Dr. Paras Nath Singh, Professor(CSE/ISE), 2021-22

1. a. Demonstrate with example print(), input() and string replication. 6 M

Ans: The print() function: The print() function displays the string value and value of the variable inside the parentheses on the screen. >>> print("sona-sona") sona-sona >>> n=20 >>> print("The value of n is",n) The value of n is 20 The input() function: The input() function waits and reads the entered text by the user from the keyboard. >>> name=input("Enter your name :") Enter your name :Kumar >>> print("Hi",name) Hi Kumar >>> num=int(input("Enter a number : ")) Enter a number : 78

b. Explain elif, for, while, break and continue statements in Python with

examples for each.

10 M

Ans:

elif statement:

The elif statement is an "else if" statement that always follows an if or another elif statement. It provides another condition that is checked only if any of the previous conditions were False. Example: if marks>= 90':

print(You are in A+ grade.') elif marks>=60:

print('You are passed with first class.')

else:

printf("You are below first class.")

for statement: for is a looping statement runs for certain number of times and for number of items in a collection: for var in range orcollection:

statements Example >>> for val in range(10):

print(val,end=' ')

0 1 2 3 4 5 6 7 8 9 >>> for name in ['Ina','Meena','Dika']:

print(name,end=' ')

Ina Meena Dika

while statement: while is a looping statement under which block of statements execute till condition is satisfied: while condition:

statements Example: >>> n=13 >>> while n ................
................

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