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_2 : List [ str ] ) -> int :
      var_6 = 0
      var_8 = set ( var_0 )
      for var_9 in var_2 :
          var_11 = True
          for var_12 in var_9 :
              if var_12 not in var_8 :
                  var_11 = False
                  break
          if var_11 :
              var_6 += 1
      return var_6
  