Advanced Python MCQs

Which of the following is a valid variable name in Python?

• 2var

• _value

• class

• my-variable

What is the output of `3 // 2` in Python?

• 1.5

• 2

• 1

• 0

Strings in Python are:

• Mutable

• Immutable

• Both mutable and immutable

• None of the above

Which function is used to get the length of a list?

• count()

• size()

• length()

• len()

Which of the following is an unordered collection in Python?

• List

• Tuple

• Dictionary

• String

What will be the result of `"hello".upper()`?

• hello

• HELLO

• Hello

• Error

Which operator is used for exponentiation in Python?

• ^

• **

• *

• %

What does slicing `"python"[::-1]` return?

• python

• nohtyp

• error

• P y t h o n

Which data structure allows duplicate elements?

• Set

• Dictionary

• List

• None

What is the default value of `dict.get(key)` when the key is not found?

• 0

• None

• KeyError

• False