auto save

3.py

+import turtle
+pen=turtle.Pen()
+pen.fillcolor("red")
+pen.begin_fill()
+for i in range(5):
+    pen.forward(200)
+    pen.right(144)
+pen.end_fill() 
+pen.hideturtle()   
+turtle.done()
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4.py

+import turtle
+pen=turtle.Pen()
+pen.fillcolor("red")
+pen.begin_fill()
+for i in range(4):
+    pen.forward(200)
+    pen.right(90)
+pen.end_fill() 
+pen.hideturtle()   
+turtle.done()    

5.py

+import random
+player =input("(石头/剪刀/布)：")
+list=["石头","剪刀","布"]
+computer=random.choice(list)
+print("玩家出拳："+ player)
+print("计算机："+ computer)
+if player in list:
+    if player==computer:
+        print("平局")
+    elif(player=="石头"and computer=="剪刀")or
+    (player=="剪刀" and computer=="布")or(player=="布" and computer=="石头")：
+        print("恭喜，你赢了")
+    else:
+        print("很遗憾，你输了")
+else:
+    print("输入错误")        
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