Removing old text that is no longer true.

Thanks Vladimir for bringing this to notice!
s/Linux/GNU\/Linux/g

Patches by v_2e@ukr.net
Adding Sublime Text 3 for Python 3 on Windows

Thanks Tony Douglas <tdouglasmf@gmail.com> !
[Minor] Splitting comment to 2 lines for visibility

Thanks to Tanmay Dharmaraj for bringing this to my attention.
Updating link to Polish translation

Based on email by
Dominik Kozaczko <dominik@kozaczko.info>
Update 06-basics.md

Example with line ending did not worked in python shell
added ;
Update 06-basics.md

'{0:.3}'.format(1/3) .3 and 1/3 was a bit confusing for young students.
Merge pull request #10 from ferrisvienna/patch-1

Update 06-basics.md
Merge pull request #9 from GilianHuber/patch-1

Update 06-basics.md