diff --git a/lib/assets/Lib/atexit.py b/lib/assets/Lib/atexit.py
new file mode 100644
--- /dev/null
+++ b/lib/assets/Lib/atexit.py
@@ -0,0 +1,37 @@
+"""allow programmer to define multiple exit functions to be executedupon normal program termination.
+
+Two public functions, register and unregister, are defined.
+"""
+
+
+class __loader__(object):
+    pass
+
+def _clear(*args,**kw):
+    """_clear() -> None    
+    Clear the list of previously registered exit functions."""
+    pass
+
+def _run_exitfuncs(*args,**kw):
+    """_run_exitfuncs() -> None    
+    Run all registered exit functions."""
+    pass
+
+def register(*args,**kw):
+    """register(func, *args, **kwargs) -> func    
+    Register a function to be executed upon normal program termination
+    
+        func - function to be called at exit
+        args - optional arguments to pass to func
+        kwargs - optional keyword arguments to pass to func
+    
+        func is returned to facilitate usage as a decorator."""
+    pass
+
+def unregister(*args,**kw):
+    """unregister(func) -> None    
+    Unregister a exit function which was previously registered using
+    atexit.register
+    
+        func - function to be unregistered"""
+    pass