1.乘法口诀：

for i in range(1,10):
    for j in range(1,i+1):
        b = i * j
        print(f'{i}*{j}={b}',end=' ')
    print('')

2.水仙花数：

for i in range(100,999):
    bw = i//100
    sw = (i%100)//10
    gw = (i%100)%10
    if bw**3+sw**3+gw**3 == i:
        print(i)

3.冒泡：

list= [44,55,9,5,6,77]
for i in range(1,len(list)):
    for j in range(1,len(list)-i):
        if list[j]<list[j-1]:
            a = list[j]
            list[j] = list[j-1]
            list[j-1] = a
        print(list)

结果：

[44, 9, 55, 5, 6, 77]
[44, 9, 5, 55, 6, 77]
[44, 9, 5, 6, 55, 77]
[9, 44, 5, 6, 55, 77]
[9, 5, 44, 6, 55, 77]
[9, 5, 6, 44, 55, 77]
[5, 9, 6, 44, 55, 77]
[5, 6, 9, 44, 55, 77]

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