Question

write a short note on variables in python​

Answer 1

Answer:

Hi friends

Explanation:

A Python variable is a reserved memory location to store values. In other words, a variable in a python program gives data to the computer for processing.

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Answer 2

Answer:

Python is not “statically typed”. We do not need to declare variables before using them or declare their type. A variable is created the moment we first assign a value to it. A variable is a name given to a memory location. It is the basic unit of storage in a program.

The value stored in a variable can be changed during program execution.

A variable is only a name given to a memory location, all the operations done on the variable effects that memory location.

Rules for creating variables in Python:

A variable name must start with a letter or the underscore character.

A variable name cannot start with a number.

A variable name can only contain alpha-numeric characters and underscores (A-z, 0-9, and _ ).

Variable names are case-sensitive (name, Name and NAME are three different variables).

The reserved words(keywords) cannot be used naming the variable.

Let’s see the simple variable creation:

Python3