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How to determine whether a list contains an element in python

高洛峰Original: 2016-10-17 11:34:342017browse

In python, you can use the in and not in keywords to determine whether a list contains an element

pythontab = [&#39;p&#39;,&#39;y&#39;,&#39;t&#39;,&#39;h&#39;,&#39;o&#39;,&#39;n&#39;,&#39;t&#39;,&#39;a&#39;,&#39;b&#39;]
if &#39;t&#39; in pythontab:
    print &#39;t in pythontab&#39;
if &#39;w&#39; not in pythontab:
    print &#39;w is not in pythontab&#39;

in and not in are very commonly used keywords.

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How to determine whether a list contains an element in python

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