CodingBat allAboutStrings

allAboutStrings

Given a string with at least 3 characters return a list of its

  1) length
  2) first character
  3) last character
  4) middle character if it has an odd number of characters, else middle two characters
  5) index of 2nd occurrence of the 2nd character of the string in the format '@ index #', 'not found' if the 2nd character does not occur again in the string

allAboutStrings('LASA') → [4, 'L', 'A', 'AS', '@ index 3']
allAboutStrings('Computer') → [8, 'C', 'r', 'pu', 'not found']
allAboutStrings('Science') → [7, 'S', 'e', 'e', '@ index 5']

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Difficulty: 100

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