冒泡排序

# 冒泡排序,
lst = [5,1,7,2,6,4,5,6]
count = 0
while count < len(lst): # 控制次数
    i = 0
    while i < len(lst) - 1:
        if lst[i] > lst[i + 1]:
            lst[i], lst[i + 1] = lst[i + 1], lst[i]
        i = i + 1
    count = count + 1
print(lst)