Need explanation

Question

There are a lot of marks like %, ++ or ==
Sometimes when I learn I can't understand
So... Could someone please send all of them or at least tell me where I can find it

Answer 1

Python operators and their explanation:
https://www.programiz.com/python-programming/operators

JavaScript operator and their explanation:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators

C and C++ operators and their explanation:
https://en.m.wikipedia.org/wiki/Operators_in_C_and_C%2B%2B

Answer 2

You're welcome.

Answer 3

Thanks