Config dependencies.

Step one: install pip3 [1]

• Execute curl "https://bootstrap.pypa.io/get-pip.py" -o "get-pip.py" to get pip installation script.
• Execute sudo -H python3 get-pip.py to install pip3 (cryptography needs python3 as a result we should install pip3)

Step two: install some dependencies:

• Run sudo apt-get install python3.6-dev libmysqlclient-dev

Step tree: cryptography installation

• Install cryptography library for current user by pip3 install cryptography --user

How to run each file