comefrom: <doocs>2062.Count Vowel Substrings of a String_1.py
code: def countVowelSubstrings( word: str) -> int:
      n = len(word)
      s = set('aeiou')
      return sum(set(word[i:j]) == s for i in range(n) for j in range(i + 1, n + 1))
masked: def sample_funcname ( var_0 : str ) -> int :
      var_4 = len ( var_0 )
      var_7 = set ( 'aeiou' )
      return sum ( set ( var_0 [ var_9 : var_10 ] ) == var_7 for var_9 in range ( var_4 ) for var_10 in range ( var_9 + 1 , var_4 + 1 ) )
  