Python HackerRank Challenge #18 Python: Find a String

This is a tutorial on the 18th Python HackerRank challenge. Here, we learn how to use a for loop to create a sliding window to count the number of occurrences of a substring in a larger string of characters.

I will work through all the HackerRank challenges with you, so feel free to subscribe if you want to follow along and build your coding and problem solving skills.

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