diff --git a/Lib/shelve.py b/Lib/shelve.py
index 7a75445..f1a468e 100644
--- a/Lib/shelve.py
+++ b/Lib/shelve.py
@@ -95,13 +95,13 @@
         return len(self.dict)
 
     def has_key(self, key):
-        return self.dict.has_key(key)
+        return key in self.dict
 
     def __contains__(self, key):
-        return self.dict.has_key(key)
+        return key in self.dict
 
     def get(self, key, default=None):
-        if self.dict.has_key(key):
+        if key in self.dict:
             return self[key]
         return default