comefrom: <doocs>1812.Determine Color of a Chessboard Square_1.py
code: def squareIsWhite( coordinates: str) -> bool:
      x = ord(coordinates[0]) - ord('a') + 1
      y = int(coordinates[1])
      return ((x + y) & 1) == 1
masked: def sample_funcname ( var_0 : str ) -> bool :
      var_7 = ord ( var_0 [ 0 ] ) - ord ( 'a' ) + 1
      var_9 = int ( var_0 [ 1 ] )
      return ( ( var_7 + var_9 ) & 1 ) == 1
  