comefrom: <qiyuangong>293_Flip_Game_1.py
code: def generatePossibleNextMoves( s):
      res = []
      if s is None or len(s) == 0:
          return res
      ls = len(s)
      for i in range(ls - 1):
          if s[i] == '+' and s[i + 1] == '+':
              res.append(s[:i] + '--' + s[i + 2:])
      return res
masked: def sample_funcname ( var_0 ) :
      var_1 = [ ]
      if var_0 is None or len ( var_0 ) == 0 :
          return var_1
      var_5 = len ( var_0 )
      for var_8 in range ( var_5 - 1 ) :
          if var_0 [ var_8 ] == '+' and var_0 [ var_8 + 1 ] == '+' :
              var_1.append ( var_0 [ : var_8 ] + '--' + var_0 [ var_8 + 2 : ] )
      return var_1
  