comefrom: <doocs>0771.Jewels and Stones_1.py
code: def numJewelsInStones( jewels: str, stones: str) -> int:
      s = set(jewels)
      return sum([1 for c in stones if c in s])
masked: def sample_funcname ( var_0 : str , var_2 : str ) -> int :
      var_5 = set ( var_0 )
      return sum ( [ 1 for var_8 in var_2 if var_8 in var_5 ] )
  