冒泡排序_bubble (python)

冒泡：相邻两个进行比较，将最大的置于最后

#coding=utf-8

def bubble_sort(alist):
    """冒泡排序"""
    n=len(alist)
    for i in range(n-1):
        count=0
        for j in range(n-i-1):
            if alist[j]>alist[j+1]:
                alist[j],alist[j+1]=alist[j+1],alist[j]
                count+=1
        if count==0:
            return