In data science, which part is easy to learn and which is hard, and why? Which part is most important to data science?

Question

Data Science is good to learn or hard . seem look like its not easy to study.

Answer 1

shortly:
everything is easy if you know it
everything is hard if you don't know it

if you have a will, then the hard will be easier.
and don't forget to learn and practice. asking only does not lead to your goal

Answer 2

Data science is an awfully broad term for such a question. Generally, like in any other field, basic concepts are easy to grasp, but the field is very mathematical. Ig u can somewhat correlate how hard it is to learn with how well u do with math.