contains or string.indexof method in Python. I want to do: if not somestring.contains("blah"): ... ... <看更多>

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predef_msg = "Don't remove or edit the predefined variables!" areas_msg = "Define `areas` as the list containing all the area variables, in the correct order: ... ... <看更多>

This notebook contains an excerpt from the Whirlwind Tour of Python by Jake VanderPlas; the content is available on GitHub. The text and code are released under ... ... <看更多>