Emphy's Python Tutorials | How to Switch Variable Values | With and Without Introducing New Variable

A video demonstrating a simple code on how to switch variable values.

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NOTE: In the explanation of the code in the second variant, for the line 'a = a-b', I say "so it becomes (a+b)-(a-b)". In this line, note that the values of a and b in '(a+b)' are different from those in '(a-b)'. Thus here (a+b)-(a-b) is equal to b, and not 2b.