Is python with pandas, numpy and matplotlib is enough to solve data science projects

Answer 1

Brain is missing in your list... But yes it is enough

Answer 2

Depends on what you mean by "Data Science".
Data analysis (descriptive): yes.
Machine Learning (predictive): no.

Answer 3

Look at the modules use in the sololearn course. If you need something else, you can install later

Answer 4

Oma Falk lol

Answer 5

We doesn't know your total requirements. So just start learning and when you will need to learn any other thing then you can simply learn it