Understanding Python Data Types

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

• string

• int

• float

• boolean

How do you convert a string to an integer in Python?

• Apply float('string') for conversion to integer.

• Use eval('string') to get an integer from a string.

• Use str('string') to convert a string to an integer.

• Use int('string') to convert a string to an integer.

What is the output of the following code: print(type(3.14))?

• <Class , Float>

• (Float)

• 3.14

• Pi

Which of the following is a valid string in Python?

• hello world

• '12345

• 'world"

• "hello"

What function is used to take user input in Python?

• read()

• input()

• get_input()

• scan()

How can you convert an integer to a float in Python?

• Use float(integer) to convert an integer to a float.

• Use int(float) to convert a float to an integer.

• Apply str(integer) to change an integer to a string.

• Multiply the integer by 1.0 to get a float.

What will be the output of print(str(100) + ' is a number')?

• 100 is a number

• 100 is not a number

• 100 is a string

• 100 is an integer

Which data type would you use to represent a decimal value?

• integer

• string

• float

• boolean

How do you check the data type of a variable in Python?

• Use the 'type()' function.

• Use the 'data_type()' method.

• Use the 'checktype()' function.

• Use the 'var_type()' command.

What is the result of converting the string '123' to an integer?

• 1

• 5

• 12

• 123