comefrom: <doocs>0054.Spiral Matrix_1.py
code: def spiralOrder( matrix: List[List[int]]) -> List[int]:
      m, n = len(matrix), len(matrix[0])
      ans = []
      top, bottom, left, right = 0, m - 1, 0, n - 1
      while left <= right and top <= bottom:
          ans.extend([matrix[top][j] for j in range(left, right + 1)])
          ans.extend([matrix[i][right] for i in range(top + 1, bottom + 1)])
          if left < right and top < bottom:
              ans.extend([matrix[bottom][j] for j in range(right - 1, left - 1, -1)])
              ans.extend([matrix[i][left] for i in range(bottom - 1, top, -1)])
          top, bottom, left, right = top + 1, bottom - 1, left + 1, right - 1
      return ans
masked: def sample_funcname ( var_0 : List [ List [ int ] ] ) -> List [ int ] :
      var_4 , var_6 = len ( var_0 ) , len ( var_0 [ 0 ] )
      var_7 = [ ]
      var_8 , var_10 , var_11 , var_12 = 0 , var_4 - 1 , 0 , var_6 - 1
      while var_11 <= var_12 and var_8 <= var_10 :
          var_7.extend ( [ var_0 [ var_8 ] [ var_14 ] for var_14 in range ( var_11 , var_12 + 1 ) ] )
          var_7.extend ( [ var_0 [ var_16 ] [ var_12 ] for var_16 in range ( var_8 + 1 , var_10 + 1 ) ] )
          if var_11 < var_12 and var_8 < var_10 :
              var_7.extend ( [ var_0 [ var_10 ] [ var_14 ] for var_14 in range ( var_12 - 1 , var_11 - 1 , - 1 ) ] )
              var_7.extend ( [ var_0 [ var_16 ] [ var_11 ] for var_16 in range ( var_10 - 1 , var_8 , - 1 ) ] )
          var_8 , var_10 , var_11 , var_12 = var_8 + 1 , var_10 - 1 , var_11 + 1 , var_12 - 1
      return var_7
  