v A variable allows us to store a value by assigning it to a name, which can be used later.
v Named memory locations to store values.
v Programmers generally choose names for their variables that are meaningful.
v It can be of any length. No space is allowed.
v We don't need to declare a variable before using it. In Python, we simply assign a value to a variable and it will exist.
Value should be given on the right side of assignment operator(=) and variable on left side.
Assigning a single value to several variables simultaneously:
Assigning multiple values to multiple variables: