python_打印99乘法表

• #打印99乘法表
  #上三角
  for i in range(9, 0, -1):
  for j in range(1, i+1):
  print(str.format("{0}{1}={2}", i, j, ij) ,end=" “)
  print()
  #下三角
  for i in range(1, 10):
  for j in range(1, i+1):
  print(str.format(”{0}{1}={2}", i, j, ij) ,end=" “)
  print()
  #矩形
  for i in range(1, 10):
  for j in range(1, 10):
  print(str.format(”{0}{1}={2}", i, j, ij) ,end=" ")
  print()