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This article mainly introduces how python traverses a set and its subscript, which is very detailed and has certain reference value. Friends who are interested must read it!

Traverse a set and its subscript

Colors = ['red',' green', 'blue',' yellow'] for i in range (len (colors)): print I,'-->', colors [I]

A better way

For I, color in enumerate (colors): print I,'-->', color

This method of writing is efficient, elegant, and saves you the need to create and increase your own subscript.

When you find that you are manipulating the subscript of the collection, you are likely to be doing something wrong.

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