C++ Library question

Question

what is the difference between #include <iostream>; and using namespace std; as far as i can tell they both are taking in some sort of standart library, what do they refer to ?

Answer 1

https://stackoverflow.com/questions/23589657/what-is-the-relationship-between-iostream-and-namespace-std

Answer 2

You shouldn't use namespace std;
https://www.sololearn.com/Discuss/392399/?ref=app