Python 如何组织此代码的输出？

这个程序的输出是一个表，但有点凌乱。如何对齐不同的列？谢谢

代码：

import math   

for a in range(1, 10):
    x = 3.0
    while True:
        y = (x + a/x) / 2
        if y == x:
            break
        x = y  
    sq = math.sqrt(a)
print float(a), sq, x, abs(sq - x)

使用：

印刷品

  1.0 1.0000000000 1.0000000000 0.0000000000
  2.0 1.4142135624 1.4142135624 0.0000000000
  3.0 1.7320508076 1.7320508076 0.0000000000
  4.0 2.0000000000 2.0000000000 0.0000000000
  5.0 2.2360679775 2.2360679775 0.0000000000
  6.0 2.4494897428 2.4494897428 0.0000000000
  7.0 2.6457513111 2.6457513111 0.0000000000
  8.0 2.8284271247 2.8284271247 0.0000000000
  9.0 3.0000000000 3.0000000000 0.0000000000

  1.0 1.0000000000 1.0000000000 0.0000000000
  2.0 1.4142135624 1.4142135624 0.0000000000
  3.0 1.7320508076 1.7320508076 0.0000000000
  4.0 2.0000000000 2.0000000000 0.0000000000
  5.0 2.2360679775 2.2360679775 0.0000000000
  6.0 2.4494897428 2.4494897428 0.0000000000
  7.0 2.6457513111 2.6457513111 0.0000000000
  8.0 2.8284271247 2.8284271247 0.0000000000
  9.0 3.0000000000 3.0000000000 0.0000000000