Python: add finally and with statements

https://docs.python.org/2/tutorial/errors.html

python.html.markdown

@@ -379,7 +379,13 @@ except (TypeError, NameError):
     pass    # Multiple exceptions can be handled together, if required.
 else:   # Optional clause to the try/except block. Must follow all except blocks
     print "All good!"   # Runs only if the code in try raises no exceptions
+finally: #  Execute under all circumstances
+    print "We can clean up resources here"
 
+# Instead of try/finally to cleanup resources you can use with
+with open("myfile.txt") as f:
+    for line in f:
+        print line
 
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 ## 4. Functions