Видео с ютуба Check For Substring In Python

How to check if a string contains a substring in Python | Python check if string contain a substring

Python Program To Check Substring is Present in a Given String | Substring | Python Strings

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Python Regex: How Find a Substring in a String

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Python Program To Check If A Substring Is Present In A Given String

Python program to check if substring is present in a given string using 2 ways tutorial