摘要：题1： 冒泡排序： def bubbling(nums): n = len(nums) for j in range(n-1): count = 0 """2、从头走到尾，执行多少次，n-1次""" """j = 0,1,2...n-2; range(0,n-1)""" """i =n-1-0,n- 阅读全文