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  1. Prepare
  2. Algorithms
  3. Strings
  4. Alternating Characters
  5. Discussions

Alternating Characters

  • patrickgao2020
     + 0 comments

    Here is my one line Python solution!

    def alternatingCharacters(s):
    return len([True for i in range(1, len(s)) if s[i] == s[i - 1]])