i = 1
while i <= 9 :
n = 1
while n <= i:
print("%s * %s =%2s "%(n,i,(i*n)),end="")
n += 1
print()
i += 1
打印效果:

i = 1
while i <= 9 :
n = 1
while n <= i:
print("%s * %s =%2s "%(n,i,(i*n)),end="")
n += 1
print()
i += 1
打印效果: