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DIY: Most Common Word

Explore how to process a paragraph and a list of banned words to determine the most common word excluded from the banned list. This lesson helps you implement text parsing, case normalization, and frequency counting to solve practical coding interview problems.

Problem statement

In this challenge, you are given a paragraph and a list of banned words. Your task is to find the most frequent word in the paragraph that is not in the list of banned words. While searching ...