In Python variables are created the moment you assign a value to it:
Variables in Python:
x = 5
y = "Hello, World!"
Python has no command for declaring a variable.
You will learn more about variables in the Python Variables chapter.
Python has commenting capability for the purpose of in-code documentation.
Comments start with a #, and Python will render the rest of the line as a comment:
Comments in Python:
#This is a comment.
print("Hello, World!")