Which course is best for start?

Answer 1

Depends on what field you're targeting! Go through the first query of the official FAQ :

www.sololearn.com/faq

Answer 2

Start with C language because it is basic.
If you learn C language then you will face less difficulties in learning new language. For example java, html etc.

Answer 3

The problem with beginners is that they don't know how to use the search function.

Answer 4

python or java :)

Answer 5

Thank you!