Question: In Ruby programming freq(s) Description : Returns a one-character string containing the character that occurs with the highest frequency within 's'. If s has no

In Ruby programming

freq(s)

  • Description: Returns a one-character string containing the character that occurs with the highest frequency within 's'. If s has no characters, it should return the empty string.
  • Type: (String) -> String
  • Assumptions: Only one character will have the highest frequency (i.e. there will be no "ties").
  • Examples: 
    freq("") == "" freq("aaabb") == "a" freq("bbaaa") == "a" freq("ssabcd") == "s" freq("a12xxxxxyyyxyxyxy") == "x"

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