diff --git a/diy1.py b/diy1.py
index 49b457d..a260816 100644
--- a/diy1.py
+++ b/diy1.py
@@ -12,4 +12,10 @@
 dict_hero={'猴三':10,'猴一':21,'猴五':22,'猴队长':29,'猴七':30}
 print(dict_hero)
 print(dict_hero['猴队长']) = 50
-print(dict_hero)
\ No newline at end of file
+print(dict_hero)
+dict_hero['猴二'] = 15
+print(dict_hero)
+if '猴二' in dict_hero:
+    print('yes')
+else:
+    print('no')
\ No newline at end of file