auto save

diy.py

@@ -12,3 +12,47 @@ v=input('请输入水果价钱：')
 else:
     cost[k] = float(v)
     print(k+'的价钱'+v+'元已上传~')
+
+weather={"北京"：8,"上海":15,"广州":20,"深圳":21}
+data = weather.pop("北京")
+print(data)
+print(wether)
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