#include#include int main(){ std::set myset{5,6,2,8,7}; std::cout<<"Before Clear: "; for(const auto& it:myset){ std::cout< In this example, we first create a set `myset` with some integer elements. We then print out the set before clearing it using a range-based for loop. We then call the `clear()` function to clear all elements from the set, and print it out again to see that the set is now empty. The `set clear()` function is part of the C++ Standard Library. Package Library Name: `std`