How can i start efficient learning of programming language as a beginner?

Question

I want to be expert in programming language by this app. So please help me to learn

Answer 1

𝐊𝐢𝐢𝐛𝐨 𝐆𝐡𝐚𝐲𝐚𝐥 Thank you sir ,for your advice .
But sir i already had an very low knowledge in c++. I repeat very low ,in my studies in college .so can i prefer c++ or python