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diy1.py

@@ -14,4 +14,8 @@ print(list_hero)
 dict_hero= {'赵一':30,'丁二':37,'孙五':52,'王猛':89,'周亮':98}
 dict_hero= {'赵一':30,'丁二':37,'孙五':52,'王猛':89,'周亮':98}
 print(dict_hero)
 print(dict_hero)
 dict_hero['王五']=60
 dict_hero['王五']=60
-print(dict_hero)
+print(dict_hero)
\ No newline at end of file
+if '赵一' in dict_hero:
+    print("Y")
+else:
+    print("N")
\ No newline at end of file