auto save

bbjik.py

+list=['苹果','香蕉','西瓜',,'香蕉','桃子','香蕉']
+list.remove('香蕉')
+print(list)
\ No newline at end of file

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：
+import turtle
+import random
+
+def tree(n):
+    if n>=50:
+        pen.pensize(n/10)
+        pen.forward(n)
+        angle = random.randint(0,30)
+        length = random.randint(1,15)
+        pen.right(angle)
+        tree(n-length)
+        pen.left(2*angle)
+        tree(n-length)
+        pen.right(angle)
+        pen.up
+        pen.backward(n)
+        pen.down()
+pen = turtle.Turtle()
+pen.color('sienna')
+pen.speed(0)
+w = turtle.Screen()
+w.bgcolor("wheat")
+pen.left(90)
+pen.up()
+pen.backward(150)
+pen.down()
+
+tree(60)
+ 
+turtle.done()
+        
+
+
+
+
+
+
+
 
 
-# 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']