Every language has libraries.
To be a good programmer, it is not necessary to know all the libraries there are in any language. However, there are some libraries that every developer should know well.
Heres a good run down of data science and AI libraries every Python developer should know.
The integrity of Python has led to many developers building fresh libraries for it. Because of the vast number of libraries, Python is becoming very popular among machine learning professionals too.
So if programmers get to know the following 23 libraries really well, they can accomplish a lot in their day-to-day jobs.