Shulou(Shulou.com)06/02 Report--

This article mainly introduces how the choice structure of Python is, which has certain reference value. Interested friends can refer to it. I hope you can learn a lot after reading this article. Let's take a look at it.

1. The selection structure determines the execution of the branch by judging whether the condition is established or not.

2. Choose the structural form: single branch, double branch and multi-branch.

3. Multi-branch structure, there is a logical relationship between several branches, and the order can not be reversed at will.

Example

'' single branch selection structure if conditional expression: sentence / statement block''if 3 branch selection structure if conditional expression: statement / statement block else statement / statement block''a = 3 if a

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