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This article is about how python exchanges variables in place. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Exchange variables on the spot

In many other programming languages, the values of two or more variables can only be exchanged by defining additional temp (temporary) variables.

Suppose you want to exchange x and y:

Temp = x x = y y = temp

In Python, there is a simple single-line construct to exchange variables, similar to the concept of assigning values to multiple variables in a single row.

The following code is the same as the above code, but no temporary variables are used:

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