Question

Which language should I learn between R and Python to make a great career in data science?

Answer 1

You can learn any of them either R or Python. But, the most preferred language is Python for Data Science.

Then you must learn Python from this comprehensive video tutorial:

Also, if you want to become a certified Data Scientist you must take an online course that will help you to pace up your career. So, check out this data science online course and become a data science expert.