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Remove Bad Pairs from a String

Remove bad pairs from a string. A bad pair is defined as adjacent characters that are the same letter in different cases (e.g., 'xX'). Implement a solution to remove these bad pairs.

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Mid January, 2025

Google

Mid-level

Remove bad pairs from a string. A bad pair is defined as adjacent characters that are the same letter in different cases (e.g., 'xX'). Implement a solution to remove these bad pairs.

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