Python Variables Quiz

What are variables in Python used for?

• Storing data values

• Performing arithmetic operations

• Controlling the flow of a program

• Defining functions

How is a variable created in Python?

• By using a special command

• The moment you first assign a value to it

• After declaring its type

• By using the 'var' keyword

Do variables in Python need to be declared with a specific type before assigning a value?

• Yes, always

• No, they do not need to be declared with any particular type

• Only for complex data types

• Only for integer and string types

Can a variable in Python change type after it has been set?

• Yes, it can change type

• No, it cannot change type

• It can only change to a related type

• It can change type only once

What is the result of casting the integer 3 to a string in Python?

• '3'

• 3

• '3.0'

• 3.0

What will be the type of variable y after executing y = int(3) in Python?

• str

• int

• float

• list

How do you convert the number 3 to a floating-point number in Python?

(a)  

Which Python function is used to determine the data type of a variable?

• type()

• typeof()

• data_type()

• get_type()

If x is assigned the value 5, what will be the output of print(type(x)) in Python?

If y is assigned the value "John", what will be the output of print(type(y)) in Python?