Looking for machine learning course or want to be an expert in data science and machine learning, first of all, you must be aware of python programming language as python is the base for machine learning and data science. various python libraries are being used to analyze data such as NumPy, Pandas, Matplotlib and seaborn. I will advise you to join some good institute for data science course. you can find various institute on google where you can get right knowledge, digistackedu is the best place to learn , where you will get 100% practical knowledge and work on real time projects.