save project

diy.py

-dict={'':5,'':10,'':6}
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+dict={'牛肚':5,'牛肉':6,'牛蹄':7,'牛筋':8,'牛腿':9}
+k=input('你想买什么:')
+if k in dict:
+    print(k+'的价格'+str(dict[k])+'元')
+else:
+    print(k+'没货')
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