comefrom: <doocs>0256.Paint House_1.py
code: def minCost( costs: List[List[int]]) -> int:
      a = b = c = 0
      for ca, cb, cc in costs:
          a, b, c = min(b, c) + ca, min(a, c) + cb, min(a, b) + cc
      return min(a, b, c)
masked: def sample_funcname ( var_0 : List [ List [ int ] ] ) -> int :
      var_6 = var_3 = var_4 = 0
      for var_7 , var_8 , var_9 in var_0 :
          var_6 , var_3 , var_4 = min ( var_3 , var_4 ) + var_7 , min ( var_6 , var_4 ) + var_8 , min ( var_6 , var_3 ) + var_9
      return min ( var_6 , var_3 , var_4 )
  