Understanding Python Data Types

What are the four primitive data types in Python?

• int, float, str, bool

• int, float, list, tuple

• char, double, list, dict

• str, bool, set, complex

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

• float

• string

• int

• boolean

What is the correct way to declare a variable in Python?

• x : 10

• var x = 10;

• x = 10

• let x = 10;

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

• 1invalidVariable

• invalid-variable-name

• invalid variable name

• valid_variable_name

What function would you use to check the type of a variable in Python?

• type()

• check_type()

• var_type()

• get_type()

What is the output of the expression type(3.14)?

Which data type is used to represent text in Python?

• int

• list

• str

• float

What is the purpose of the 'str()' function in Python?

• The 'str()' function is used to perform mathematical operations.

• The 'str()' function is for creating lists in Python.

• The 'str()' function is used to define new data types.

• The purpose of the 'str()' function is to convert values into their string representation.

Can variable names in Python start with a number?

• Variable names can start with a special character

• No

• Only if they are enclosed in quotes

• Yes, they can start with a number

What is the maximum length of a variable name in Python?

• Up to 255 characters

• Exactly 100 characters

• There is no strict limit, but practical limits suggest around 79 characters.

• No more than 50 characters