while循环
num1 = 1
while num1 <= 9:
num2 = 1
while num2 <= num1:
print("%d*%d=%d" %(num1,num2,num1*num2),end=" ")
num2 += 1
num1 += 1
for循环
for num1 in range(1,10):
for num2 in range(1,num1+1):
print("%d*%d=%d" %(num1,num2,num1*num2),end=" ")
print()
来源:CSDN
作者:行走在路上的猪
链接:https://blog.csdn.net/w464578029/article/details/103566722