auto save

diy.py

@@ -12,6 +12,6 @@ today_menu={'前菜':{'熏鲢鱼':20,'生蚝':20,'面包':10},
 
 for k,v in today_menu.items():  
     print('今日' + k + '有：')
-    for i in v.values():               
+    for i in v.keys():               
         print(i,end=' ')      #依次告诉客人今天的各类菜有哪些选择
     print()
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练习.py

+import turtle
+import turtle
+pen=turtle.Pen()
+for n in range(8):
+    a=50
+    for i in range(4):
+        for j in range(3):
+            pen.forward(a)
+            pen.right(120)
+        a +=50
+    pen.right(360/8)
+turtle.done()
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