Geany is a good edit(someone says), if your environment is Linux/Ubuntu, you can choose to use Geany to edit Python code: step 1: insall: apt-get install geany step 2 ...
If you have Python 3.4 or later, it's fine to start out by using the installed version. If you have Python 3.3 or earlier, it's probably worth installing Python 3.5 ...