Answer 1

I prefer python if I want to code something small in very short time. Furthermore it's most used language in it sec.
Python don't have number barriers and forces you to write clean code.

Answer 2

Python is a general-purpose language, which means it can be used to build just about anything, which will be made easy with the right tools/libraries.
Professionally, Python is great for backend web development, data analysis, artificial intelligence, and scientific computing.
Personally, I used Python for audio signal processing during my studies.