code: def same_syllabic_feature(ch1, ch2):
      '''Return True if ch1 and ch2 are both vowels or both consonants.'''
      if ch1 == '.' or ch2 == '.':
          return False
  
      ch1 = 'V' if ch1 in VOWELS else 'C' if ch1 in CONSONANTS else None
      ch2 = 'V' if ch2 in VOWELS else 'C' if ch2 in CONSONANTS else None
  
      return ch1 == chf same_syllabic_feature(ch1, ch2):
      '''Return True if ch1 and ch2 are both vowels or both consonants.'''
      if ch1 == '.' or ch2 == '.':
          return False
  
      ch1 = 'V' if ch1 in VOWELS else 'C' if ch1 in CONSONANTS else None
      ch2 = 'V' if ch2 in VOWELS else 'C' if ch2 in CONSONANTS else None
  
      return ch1 == ch2
docs: Return True if ch1 and ch2 are both vowels or both consonants.