code: def spiral_traversal(matrix):
      res = []
      if len(matrix) == 0:
          return res
      row_begin = 0
      row_end = len(matrix) - 1
      col_begin = 0
      col_end = len(matrix[0]) - 1
  
      while row_begin <= row_end and col_begin <= col_end:
          for i in range(col_begin, col_end + 1):
              res.append(matrix[row_begin][i])
          row_begin += 1
  
          for i in range(row_begin, row_end + 1):
              res.append(matrix[i][col_end])
          col_end -= 1
  
          if row_begin <= row_end:
              for i in range(col_end, col_begin - 1, -1):
                  res.append(matrix[row_end][i])
          row_end -= 1
  
          if col_begin <= col_end:
              for i in range(row_end, row_begin - 1, -1):
                  res.append(matrix[i][col_begin])
          col_begin += 1
  
      return res
  
label_desc: Use image node_id 1 for calling a global function with example usage: spiral_traversal(matrix) and returns: res, res