What should learn next after learned python

Answer 1

It depends on your field of interest, in which field you want to work with!!!
You can learn Machine learning, Data Science, Data Analysis using python and many other fields are there!!!
Choose any of them and follow their courses and do some pratical/project work.

If you are being confuse that whether I should choose Data Science or Data Analysis or Machine learning then go to youtube search bar and search about their perks, drawbacks and opportunities you will got to know that in which field you should pursue your learning.

Answer 2

You can learn C++, Java, and more languages. Also, why don't you code python on your own in Code Playground?