Python Variables

The main difference between python variables and other languages is the absence of command for declaring a variable.

• Storage box or container to store value
• Dynamically Typed
• Variable declaration – Not required
• Automatic data type assignment

Rules for variable creation

•  You cannot start with a letter or underscore character.
•  Cannot start with numeric or integer value.
• May contain letters, numbers or its combination (alpha-numeric characters) and underscore (A-Z, a-z, _, and 0 up to 9).
• Variable names are case-sensitive Eg: name, Name, and NAME are three different variables).
• Reserved words or keywords cannot be used as a variable.

Possible Formats

String/Character, Integer, Floating point values, Boolean.

How Does + Operator Work With Variables?

Assigning Different Values to Multiple Variables

Example 1:

 Example 2:

Can We Use the Same Name For Different Types

If We use the same name, the variables start referring to new value and type.

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