TRICKS

source/the-interpreter.rst

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+The Interpreter
+===============
+
+
+
+Tricks
+—————-
+
+Bytecode Trick
+//////////////
+
+There are a few tricks the interpreter has up its sleeve that I recommend you utilize on a regular basis. 
+
+The first trick is ``PYTHONDONTWRITEBYECODE``. If you set this environment variable (e.g. in your ``~/.bashrc`` file or similar), Python won't write ``*.pyc`` files to disk, which is great, because they are incredibly annoying. 
+
+I've been using this environment variable for 7+ years for development and have never had any problems becaue of it.
+
+Interactive Trick
+/////////////////
+
+The second trick is to run a Python script, say ``hello.py`` in "interactive" mode, with the ``$ python -i hello.py`` flag. 
+
+This flag will run the script, like usual, but will then drop you into a REPL afterwards that has all the locals and globals from the script loaded, for your interactive pleasure. Very useful.