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+Usage
+=====
+
+Preparation
+-----------
+
+* [make virtualenv: `python3 -m venv .venv`]
+* [activate venv: `source .venv/bin/activate`]
+* install dependencies: `pip3 install -r requirements.txt`
+
+Run
+---
+
+`python3 dudle2csv.py -h`