save project

diy.py

+dict = {'可口可乐':3,'旺仔牛奶':4,'农夫山泉':1,'辣条':3}
+k = input("您要买什么")
+if k in dict:
+    print('您的'+k+'需支付'+str(dict[k])+'元')
+else:
+    print("您的货完了")
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