Hello,

From the above mentioned courses python and AWS are easy to learn. Python is a basic programming language in current market you will need this language for almost all trending technologies such as artificial intelligence, machine learning etc. 

Whereas AWS is amazon web services. It is basically a cloud service which offers the most secure cloud storage in the market. You can learn it easily from any online course with just basic knowledge of cloud computing. 

In the current market all the technologies are leading. But the machine learning and data science has more job opportunities.