Find the index of the first occurrence in a string. (String Problem)

[kanikarajpal]

This is a(n):

• [x] New algorithm
• [ ] Update to an existing algorithm
• [ ] Error
• [ ] Proposal to the Repository

Details: I would like to add a solution to a problem- Find the index of the first occurrence in a string. (Leetcode Problem) (Python).

Description - Given two strings needle and haystack, return the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack.

Link - https://leetcode.com/problems/find-the-index-of-the-first-occurrence-in-a-string/