how to declare variable one aftre the other python code example

Example 1: python set several variables to none

>>> a=1
>>> a
1
>>> a, b, c, d, e, f, g, h, i, j = (None,)*9
>>> type(a)
<class 'NoneType'>

Example 2: how to make a variable in python 3

myVariableName = "Hello World"