save project

diy1.py

 dict_hero = {'10':120,'12':3,'30':4}
-dict_hero['12'] = 60
-print(dict_hero['12'])
\ No newline at end of file
+dict_hero['29'] = 6
+if '12' in dict_hero:
+    dict_hero['20'] = 3    
+print(dict_hero)
\ No newline at end of file