Ad
  • Default User Avatar

    Check your logic for what it returns when you find no matches -- should be empty array. Looks like it somehow returns the input string instead. Also this being one of the few cases where input string is 2 letters (and not single letter) be mindful how you capitalize it ("No" != "NO").

  • Custom User Avatar

    This comment is hidden because it contains spoiler information about the solution

  • Custom User Avatar

    Thank for clarifying!! Was pulling my hair out about this!