Data Science is a process to extract insight from the data using Feature Engineering, Feature Selection, Machine Learning, etc. to solve the real-world business problem.
Data science has an intersection with artificial intelligence but is not a subset of artificial intelligence.
Data Science is the Art and Science of drawing actionable insights from the data.
Retail, Bank, E-Commerce, Healthcare, and Telecom, etc.
Python Library for Data Science
To solve the business problem using Data Science for that data gathering, cleaning and visualization must be done. For that bellow python library, you should learn first.