auto save

2.py

+import turtle 
+p=turtle.Pen()
+p.pencolor('blue')
+q.turtle.Pen()
+p.fillcolor('yellow')
+p.begin_fill()
+for i in range(100):
+    p.forward(18)
+    p.right(10)
+p.end_fill()
+turtle.done()
+

3.py

+n=int(input())
+c=0
+a=[]
+b=[]
+for i in range(n):
+    a.append(i+1)
+print(a)
+while len(a)!=1:
+    a.append(a.pop(0))
+    c=c+1
+    if c==3:
+        a.pop(0)
+        c=1    
+print(a)
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4.py

+import random
+list1=['石头','剪刀','布']
+for i in range(3):
+    player=input('请出拳：石头/剪刀/布')
+    print('玩家出拳是:'+player)
+    if player in list1:
+        computer=random.choice(list1)
+        print('电脑出拳:'+computer)
+        if player==computer:
+            print('平局')
+        elif player=='石头'and computer=='剪刀':
+            print('你赢了')
+        elif player=='剪刀'and computer=='布':
+            print('你赢了')   
+        elif player=='布'and computer=='石头':
+            print('你赢了') 
+        else:
+            print('你输了')        
+    else:
+        print("输入错误")
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