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This article will explain in detail how to implement the comparison operator in python. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

A simple way to implement comparison operators

It is tedious to implement all the comparisons (such as lt, le, gt, ge) for a class. Is there an easier way to do this? At times like this, "functools.total_ordering" is a good helper:

From functools import total_ordering @ total_ordering class Number: def _ _ init__ (self, value): self.value = value def _ lt__ (self, other): return self.value

Number (3)) print (Number (1)

= Number (15)) print (Number (10)

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