#用range求1-2+3-4+...+99-100=？count = 0for i in range(1,101):if i % 2 == 0: count = count -ielse: count = count + iprint(count)#list在循环的时候不能删，因为会改变索引lis = ["yi","er","san","si"]for i in lis: lis.remove(i)print(lis)#结果：['er', 'si']#冒泡排序lis = [5,2,13,10,44,22]i = 0for j in range(7):while i < len(lis)-1:if lis[i] > lis[i+1]: lis[i],lis[i+1] = lis[i+1],lis[i] //解构 i = i+1print(lis)
转载于:https://www.cnblogs.com/xiaojingjingzhuanshu/p/11211399.html
