Python: Data Types and Variable Declarations

Which data type is used to store whole numbers in Python?

• float

• integer

• string

• boolean

How do you declare a variable in Python?

• var x = 5

• int x = 5

• x = 5

• declare x = 5

Which of the following is not a valid variable name in Python?

• my_variable

• _variable

• 1_variable

• variable_1

What is the result of the following expression: 5 + 2.0?

• 7

• 7.0

• 5.2

• 52

Which data type is used to store a sequence of characters in Python?

• integer

• boolean

• float

• string

How do you concatenate two strings in Python?

• str1.add(str2)

• str1.concat(str2)

• str1 + str2

• concat(str1, str2)

What is the result of the expression: 10 / 3?

• 3

• 3.3333333333333335

• 3.0

• 3.333

Which data type is used to represent true or false values in Python?

• integer

• float

• boolean

• string

Which symbol is used to assign a value to a variable in Python?

• =

• ==

• :=

• -

What is the result of the expression: 2 ** 3?

• 2

• 6

• 8

• 9