Programming Fundamentals

Which of the following cannot be a Python variable name?

• Int_1

• true

• var-2

• name3

What is the output of the following code?

valueOne = 5 ** 2

valueTwo = 5 ** 3

 

print(valueOne)

print(valueTwo)

• 10

  15

• 25

  125

• Error: Invalid Syntax

A string is immutable in Python? 

Every time when we modify the string, Python Always create a new String and assign a new string to that variable.

• True

• False

Can we use the “else” block for for loop?

for example:

 

for i in range(1, 5):

    print(i)

else:

    print("this is else block statement" )

• No

• Yes

What is the output of the following code?

var1 = 1

var2 = 2

var3 = "3"

 

print(var1 + var2 + var3)

 

• 6

• 33

• 123

• Error. Mixing operators between numbers and strings are not supported

Is the below code valid?

for x in range(0.5, 5.5, 0.5):

  print(x)

• True

• False

What is the output of the following code?

 

for i in range(10, 15, 1):

  print( i, end=', ')

• 10, 11, 12, 13, 14

• 10, 11, 12, 13, 14, 15

• 10,15,1

• 10,15

What is docstring used for ?

• add multiple strings to each other

• replace string with another string

• create block comments

• declare a string with comments

What’s the file extension used for text files containing Python code?

• python

• py

• code

• program

In Python, variables are:

• Numbers you can perform calculations on.

• Names that you can assign to different objects and use to reference those objects throughout your code.

• Snippets of text that you can display on the screen.