save project

diy.py

 # 和你的小伙伴讲讲史上有名的三英战吕布的故事。然后完成下面挑战，并说说列表切片是什么，怎么用：
 
 # 省略繁杂情节，刘关张三人一起冲入战场，围攻吕布：
-a=['吕布']
-b=['袁术','公孙瓒','关羽','张飞','刘备','曹操']
-
+a=["吕布"]
+b=["袁术","公孙瓒","关羽","张飞","刘备","曹操"]
+c = b[2:5]
+print(c)
+c[0] = "张飞"
+c[1] = "关羽"
+print(c)
+a.append(c[0])
+c.pop(0)
+print(a,c)
+a.extend(c)
+print(a)
+c.clear()
+print(a,c)