Minor fixes to return values.
Merge pull request #710 from patzim/master

Minor fixes to return values.
Squashed commits to prepare for merge
moved underscore for range variable, added comment

renamed parameter in beg decorator

added comment about double underscores

Update python.html.markdown
Added changes to the python3 file aswell
Merge pull request #693 from mickelus/master

[python/en] naming conventions and underscores
&& and || in Bash if statements.
Merge pull request #711 from LumenTeun/master

&& and || in Bash if statements.
aded negative integer division same as in python3
comment about floats in integer division
Merge https://github.com/adambard/learnxinyminutes-docs

Added two minor changes in integer division to make it clear