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# Why Python?
We like Python. It is a simple, fast and elegant programming language.
It allows **faster**, **agile** and **robust** software development.
Some people wrongly assume that Python applications are automatically
slow and bloated. This is untrue for many reasons:
- Python is actually surprisingly fast in many cases.
- Python is **not the performance bottleneck** here. Seriously.
**GStreamer and [GES](GES.md) are the components doing the
heavy work, and they are written in C**. Pitivi is basically just a
pretty user interface on top of those.
- Most performance issues on desktop apps are not micro-optimization
problems, but I/O bound operations or “stupid algorithms/methods
that do unnecessary work”. Federico Mena Quintero did a great
presentation
([video](http://video.fosdem.org/2007/FOSDEM2007-ProfilingDesktopApplication.ogg),
[slides](http://people.gnome.org/~federico/docs/2007-02-FOSDEM/html/index.html))
along those lines a couple of years ago.
Most of what I highlighted above can also be found in Python's page on
[speed](http://wiki.python.org/moin/PythonSpeed) and [performance
tips](http://wiki.python.org/moin/PythonSpeed/PerformanceTips).
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