auto save

store.py

-goods = {'可口可乐':3,'旺仔牛奶':4,'农夫山泉':1,'辣条':3,'巴西烤肉':2,'果冻':4,'乐事':5,'奥利奥':10,'巧克力':6}
-goods.pop("农夫山泉")
-print(good)
-# 请将"农夫山泉"删掉，并打印出新的商品信息
-
-
+import turtle
+pen=turtle.Pen()
+r=40
+x=10
+y=10
+for i in range(5):
+    for i in range(4):
+        pen.forward(r)
+        pen.left(90)
+    pen.penup() 
+    pen.goto(-x,-y)
+    pen.pendown() 
+    r=r+20
+    x=x+10
+    y=y+10
+turtle.done()
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