How to implement the contains function in python strings

How python strings implement the contains function: You can use the in method to implement the contains function, such as [if "blah" not in somestring: continue]. The contains function can also be implemented through the find function.

Python's string object does not have a contains method. You do not need to use the string.contains method to determine whether it contains a substring, but Python has a simpler method to replace contains. function.

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Method 1: Use the in method to implement the functions of contains:

Method 2: Use the find function to implement the contains function

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