代码
for num in range(1,10):
for n in range(1,num+1):
print("%d * %d = %d" % (n,num,n*num),end="t")
print()
效果:

代码
for num in range(1,10):
for n in range(1,num+1):
print("%d * %d = %d" % (n,num,n*num),end="t")
print()
效果: