Updates research/python

research/python.md

@@ -70,11 +70,22 @@ Python encourages polymorphism:
     that do not create new objects. Although such objects can be copied, in-place
     changes support direct modification.
 
+So remember that when [copying](https://stackoverflow.com/questions/2612802/how-to-clone-or-copy-a-list#2612815) or referencing a list.
+
+## Implementations
+
+* [MicroPython - Python for microcontrollers](http://micropython.org/) ([compiling](https://github.com/micropython/micropython/wiki/Getting-Started).
+
 ## Libraries and applications
 
 * QGIS.
 * [SciPy.org — SciPy.org](https://www.scipy.org/) ([package](https://packages.debian.org/stable/python-scipy)).
 
+## Frameworks
+
+* [Welcome | Flask (A Python Microframework)](http://flask.pocoo.org/) ([package](https://packages.debian.org/stretch/python-flask)).
+* Async: [asyncio](https://docs.python.org/3/library/asyncio.html), Twisted and Tornado.
+
 ## Test projects
 
 * [Arduino Blog » How close are we to doomsday? A clock is calculating it in real time](https://blog.arduino.cc/2013/03/27/how-close-are-we-to-doomsday-clock/) ([python code](https://github.com/tomschofield/Neurotic-Armageddon-Indicator/blob/master/NAI_SERVER/nai_scraper.py) to parse [Timeline from the Bulletin of the Atomic Scientists](http://thebulletin.org/timeline)).