Python Variable MCQs

Question 1: Which of the following defines a variable in Python?

• var name="Steve"
• string name="Steve"
• name="Steve"
• All of the above

Check Answer

Question 2: How to get the type of the following variable?

i=10

• type(i)
• exec(i)
• print(i)
• help(i)

Check Answer

Question 3: What is the output of the following code?

s1={1,2,3,4}
s2={4,5,6,7}
print(s1&s2)

• {1,2,3,4,5,6,7}
• {1,2,3,5,6,7}
• {4}
• {1,2,3}

Check Answer

Question 4: What is the output of the following code?

>>> x=100
>>> type(x)

• integer
• int
• <class 'int'>
• <class 'number'>

Check Answer

Question 5: What is the output of the following code?

>>> x='Hello '
>>> y='World'
>>> x+y

• An error will be raised.
• 'Hello World'
• 'Hello '
• 'World'

Check Answer

Question 6: What is the output of the following code?

>>> x=100
>>> y=100
>>> id(x) == id(y)

• True
• False
• Error

Check Answer

Question 7: Which of the following would give a syntax error?

• >>> x, y, z = 10, 20, 30
• >>> x, y, z = 10, 'Hello', True
• >>> x = 10, y = 'Hello', z = True
• None of the above

Check Answer

Question 8: Which of the following statements are correct?

• The variable names cannot start with a digit.
• Variables names in Python are case-sensitive.
• Variable names cannot start with the underscore _.
• Variable names can be reserved keywords.

Check Answer

Question 9: What will be the output of the following code?

x=10
y=20
x, y = y,x
print(x,y)

• 10 20
• 20 10
• 0 0
• SyntaxError

Check Answer

Question 10: Which of the following symbols stores the result of the last evaluation?

• _
• __
• __*
• /

Check Answer

>>> 2*2 
4
>>> _
4