comefrom: <doocs>1684.Count the Number of Consistent Strings_1.py
code: def countConsistentStrings( allowed: str, words: List[str]) -> int:
      res = 0
      chars = set(allowed)
      for word in words:
          find = True
          for c in word:
              if c not in chars:
                  find = False
                  break
          if find:
              res += 1
      return res
masked: def sample_funcname ( var_0 : str , var_1 : List [ str ] ) -> int :
      var_2 = 0
      var_3 = set ( var_0 )
      for var_4 in var_1 :
          var_5 = True
          for var_6 in var_4 :
              if var_6 not in var_3 :
                  var_5 = False
                  break
          if var_5 :
              var_2 += 1
      return var_2
  