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diy1.py

-# 这是悟空为花果山小猴做臂力测试的程序代码
-name=input('你叫啥名啊？')
-power=int(input('你臂力多少啊？'))
-list_hero=['猴三',10,'猴一',21,'猴五',22,'猴队长',29,'猴七',30]
-for i in range(len(list_hero)):
-    if i%2==1 and list_hero[i]>=power:
-        list_hero.insert(i-1,name)
-        list_hero.insert(i,power)
-        break
-print(list_hero)
-# 请注释掉上面的代码，并在下一行创建一个名为dict_hero的字典
-dict_hero=
-print(dict_hero)
+# # 请注释掉上面的代码，并在下一行创建一个名为dict_hero的字典
+# dict_hero={"猴一":50,"猴二":46,"猴三":33,"猴五":24,"猴队长":66}
+# print(dict_hero)
+# #通过键修改值
+# dict_hero["猴队长"] = 100
+# dict_hero["猴三"] = 1
+
+# print(dict_hero)
+
+# #添加键值对
+# dict_hero['汤姆'] = 50
+
+# dict_hero['杰瑞'] = 20
+
+# if "汤姆" in dict_hero:
+#     print("汤姆在字典中")
+# else:
+#     print("汤姆不在字典中")
+
+# print(dict_hero)
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store.py

+store_dict = {"乐事薯片":5,"奥利奥":8,"农夫山泉":2,"旺仔牛奶":5,"朱古力":7}
+
+
+while True:
+    buy = input("请问你要买啥？")
+
+    if buy in store_dict:
+        print("好的，您选择的",buy,"需要支付",store_dict[buy],"元，扫码还是刷卡？")
+    else:
+        print("对不起，商品无货！")
+        a = input("请选择退出还是继续购买：1=退出，2=继续购买，3=添加商品")
+        if a == '1':
+            break
+            exit()
+        elif a == '2':
+            continue
+        elif a == '3':
+            new = input("请输入新商品名称：")
+            new_price = int(input("输入价格："))
+            store_dict[new] = new_price
+            
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