实验1 2021-4-2

  x1,y2=1.2,3.57
  x2,y2=2.26,8.7
  print('{:-^40}'.format('输出1'))
  print('x1 = {}, y1 = {}'.format(x1,y1))
  print('x2={},y2={}'.format(x2,y2))
  print('x1={:<15},y1={:<15}'.format(x1,y1))
  print('x2={:<15},y2={:<15}'.format(x2,y2))
  print('x1={:.1f},y1={:.1f}'.format(x1,y1))
  print('x2={:.1f},y2={:.1f}'.format(x2,y2))