Python installation:
You can install python by using this link:
https://www.python.org
Documentation can be downloaded from:
https://www.python.org/doc
As I will be using Mac, i will install python from:
https://www.python.org/download/mac/
You can run python using command:
$ python
Following flags can be provided
-v - verbose output
You can use PyCharm - a python IDE provided by JetBrain - has some really cool features. Just google PyCharm and download the community / professional edition.