save project

diy.py

 dict_hero={'侯三':10,'后裔':21,'后于':21}
-print(dict_hero)
-print (dict_hero['侯三'])
-dict_hero['后裔']=100
-print(dict_hero)
-dict_hero['小李']=80
-print(dict_hero)
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+a=input('你要什么？')
+if a in dict_hero:
+    print('你点的'+a+'须要'+str(dict_hero[a])+'元')
+else:
+    print('没有')    
\ No newline at end of file