comefrom: <doocs>1260.Shift 2D Grid_1.py
code: def shiftGrid( grid: List[List[int]], k: int) -> List[List[int]]:
      m, n = len(grid), len(grid[0])
      k %= m * n
      t = [grid[i][j] for i in range(m) for j in range(n)]
      t = t[-k:] + t[:-k]
      for i in range(m):
          for j in range(n):
              grid[i][j] = t[i * n + j]
      return grid
masked: def sample_funcname ( var_0 : List [ List [ int ] ] , var_3 : int ) -> List [ List [ int ] ] :
      var_5 , var_7 = len ( var_0 ) , len ( var_0 [ 0 ] )
      var_3 %= var_5 * var_7
      var_11 = [ var_0 [ var_8 ] [ var_9 ] for var_8 in range ( var_5 ) for var_9 in range ( var_7 ) ]
      var_11 = var_11 [ - var_3 : ] + var_11 [ : - var_3 ]
      for var_8 in range ( var_5 ) :
          for var_9 in range ( var_7 ) :
              var_0 [ var_8 ] [ var_9 ] = var_11 [ var_8 * var_7 + var_9 ]
      return var_0
  