Basic level coding need to know like how to write loops, how to declare variable and more write code short so other programmer can understand.
You know how to write English correct? Does this mean you can write Poetry? That you can write assembly instructions for a machine? A short story?
Newbies dont understand.
When you go in for an interview, they want to know what kind of problems you have solved.
Tell us what types of problems would you look forward to going into the office to solve each day, and we can guide you to the types of languages you would need.
Personally I bounce between Shell, Perl, SQL and Java. But I could drop into C if I needed to.
Programmers need to know lateral coding, transitional coding, and explicit coding.
What kind of animals do biologists need to know? What kind of teeth do dentists need to know?
In programming their are a lot of them to know, but their are the simple and the basic ones to know so you can be able to write other codes.