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This article is about how to use the Python walrus operator. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

1. The operation is allowed under the condition of judgment. The code is simplified to some extent, but the readability is reduced.

I = len ((l: = [1,2,3])) # assign l first, while (I: = I-1) > = 0: # allow print (l [I], end='') in the expression

2. The walrus operator in python is seldom used, which allows simple assignment operation in judgment, and has no other special meaning, just need to know its existence.

L = [1,2,3] I = len (l)-1while I > = 0: print (l [I], end='') I-= 1 Thank you for reading! This is the end of the article on "how to use the Python walrus operator". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, you can share it for more people to see!

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