comefrom: <doocs>1936.Add Minimum Number of Rungs_1.py
code: def addRungs( rungs: List[int], dist: int) -> int:
      prev = res = 0
      for rung in rungs:
          res += (rung - prev - 1) // dist
          prev = rung
      return res
masked: def sample_funcname ( var_0 : List [ int ] , var_3 : int ) -> int :
      var_6 = var_4 = 0
      for var_7 in var_0 :
          var_4 += ( var_7 - var_6 - 1 ) // var_3
          var_6 = var_7
      return var_4
  