How to develop myself with this app and become a good programmer ?

Question

How to develop myself and become a good programmer ?

Give it a thumbs up if you have the same question in your mind and help me by comment if you know the answer.

Answer 1

one book is not sufficient to acquire all the desired knowledge
Programmer needs good solving skills
Try hacker rank hacker earth etc to examine your skills

Answer 2

You can practice here with your theory (from source like books , websites, youtube) to develop practical skill.
This app has theory topic (but not in too deep ) and intro to them but to master them check other sources also .