Python Variables

What is a variable?

• A number or text that meaningful

• A container for storing data values

• A message input by the user

• A printout that show answer that user entered

What symbol is used in python to assign values to a variable?

• =

• :

• >>>

• ==

What symbol is used in python to create a comment?

• >>>

• //

• @

• #

Below are valid variable names in Python, except...

• officeMail

• SECRET_KEY

• 1stName

• PhoneNumber

In Python, a variable may be assigned a value of one type, and then later assigned a value of a different type:

• True

• False

Which of the following statements assigns the value 100 to the variable x in Python:

• var x = 100

• x := 100

• x = 100

• x == 100

Which of the following are valid Python variable names:

• my_age

• version1.3

• homeAddress

• return

• 4square

What is the correct file extension for Python files?

• .pyt

• .pt

• .py

• .python

What is the correct syntax to output the type of a variable x in Python?

• print(type(x))

• print(typeOf(x))

• print(dtype(x))

• print(x.type())

In Python value 'Hello' is the same as "Hello":

• True

• False