Update free-podcasts-screencasts-en.md

free-podcasts-screencasts-en.md

@@ -116,6 +116,7 @@
 * [Podcast] - [Python Test Podcast](http://pythontesting.net/test-podcast)
 * [Podcast] - [Talk Python To Me - A podcast on Python and related technologies](http://www.talkpythontome.com)
 * [Screencast] - [Diving into Django](http://code.tutsplus.com/articles/diving-into-django--net-2969)
+* [Screencast] - [Practical Flask Web Development Tutorials](https://www.youtube.com/playlist?list=PLQVvvaa0QuDc_owjTbIY4rbgXOFkUYOUB)
 * [Screencast] - [ShowMeDo - Python Videos, Tutorials and Screencasts](http://showmedo.com/videotutorials/python)
 * [Screencast] - [TheNewBoston - Pygame (Python Game Development) Playlist](http://www.youtube.com/playlist?list=PL6gx4Cwl9DGAjkwJocj7vlc_mFU-4wXJq)
 * [Screencast] - [TheNewBoston - Python 3.4 Programming Tutorials](https://www.youtube.com/playlist?list=PL6gx4Cwl9DGAcbMi1sH6oAMk4JHw91mC_)