How to express 'not equal' in python

How to express not equal in python?

Recommended manual:Basic introductory tutorial on Python

Python is not equal to the Python comparison operator !=. != means not equal, used to compare whether two objects are not equal.

Assume variable a is 10 and variable b is 20: (a != b) returns true.

Example:

#!/usr/bin/python
# -*- coding: UTF-8 -*-
 
a = 21
b = 10
c = 0

if  a != b :
   print "a 不等于 b"
else:
   print "a 等于 b"

Output:

a 不等于 b

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