diff -r c02f464dd721 Lib/_sitebuiltins.py
--- a/Lib/_sitebuiltins.py	Thu Sep 26 09:35:39 2013 -0700
+++ b/Lib/_sitebuiltins.py	Fri Sep 27 17:09:02 2013 +0300
@@ -97,3 +97,20 @@
     def __call__(self, *args, **kwds):
         import pydoc
         return pydoc.help(*args, **kwds)
+
+
+def _displayhook(value):
+    """Override standard display hook to use pprint.pprint()"""
+    if value is None:
+        return
+    import builtins
+    from os import environ
+    from pprint import pprint
+    try:
+        width = int(environ['COLUMNS'])
+    except (KeyError, ValueError):
+        width = 80
+    # Set '_' to None to avoid recursion
+    builtins._ = None
+    pprint(value, width=width)
+    builtins._ = value
diff -r c02f464dd721 Lib/site.py
--- a/Lib/site.py	Thu Sep 26 09:35:39 2013 -0700
+++ b/Lib/site.py	Fri Sep 27 17:09:02 2013 +0300
@@ -371,6 +371,9 @@
 def sethelper():
     builtins.help = _sitebuiltins._Helper()
 
+def setdisplayhook():
+    sys.displayhook = _sitebuiltins._displayhook
+
 def enablerlcompleter():
     """Enable default readline configuration on interactive prompts, by
     registering a sys.__interactivehook__.
@@ -533,6 +536,7 @@
     setquit()
     setcopyright()
     sethelper()
+    setdisplayhook()
     enablerlcompleter()
     aliasmbcs()
     execsitecustomize()