Webastor - Programming Tips and Tricks

Hi, I'd like to ask you a big question that has bothered me for quite a long time, what are the tools to be learnt in python language? Please help me, thank you very much for helping me as soon as possible.

Hello, I have a small problem concerning a particular case, I would like to know is it mandatory for every class to declare a main() method inside it? Please kindly inform me as soon as possible, thank you in advance.