The in operator evaluates the presence of a substring inside a string and return a boolean value accordingly. Python’s default find() method is used to check if a substring is present in a string and ...

> 原文:[https://www . geeksforgeeks . org/python-第 n 次出现字符串中的子字符串/](https://www.geeksforgeeks.org/python-ways-to-find-nth-occurrence-of ...

Extracting a substring from a string is a common task in Python programming. This can be achieved using a feature known as slicing. Slicing allows you to obtain a part of the string by specifying ...