input: def identical_characters(str1: str, str2: str):
      """
      Verify whether two strings consist of the same characters.
      >>> identical_characters('eabcdzzzz', 'dddzzzzzzzddeddabc')
      True
      >>> identical_characters('abcd', 'dddddddabc')
      True
      >>> identical_characters('dddddddabc', 'abcd')
      True
      >>> identical_characters('eabcd', 'dddddddabc')
      False
      >>> identical_characters('abcd', 'dddddddabce')
      False
      >>> identical_characters('eabcdzzzz', 'dddzzzzzzzddddabc')
      False
      """
output:     return set(str1) == set(str2)