Python(作业4,九九乘法表)

"""
1.打印 9 * 9 乘法表: 使用while循环和for循环
1 * 1 = 1
2 * 1 = 2 2 * 2 = 4
3 * 1 = 3 3 * 2 = 6 ...
...............................
9 * 1 = 9 9 * 2 = 18 ... 9 * 9 = 81
选做: 使用while单层循环完成
"""
for i in range(1, 10):
    j = 0
    while j < i:
        j += 1
        print(f"{i} * {j}= {i*j}", end=" ")
    print()

i = 1
while i <= 9:
    j = 1
    while j <= i:
        print(f"{i} * {j} = {i*j}", end=" ")
        j += 1
    print("")
    i += 1

for i in range(1, 10):
    for j in range(1, i + 1):
        print(i, "*", j, "=", i * j, end=" ")
    print()

x = 1
while x < 10:
    y = 1
    while y <= x:
        print(x, "*", y, "=", x * y, end=" ")
        y += 1
    print()
    x += 1

i = 1
j = 1
while i < 10:
    if j <= i:
        print(i, "*", j, "=", i * j, end=" ")
        j += 1
    else:
        j = 1
        i += 1
        print()  # 换行