CODE EXAMPLE FOR CPP

how to remove first element from vector C++

#include <iostream>
#include <vector>
using namespace std;
 
int main() {
   vector<int> nums;
   nums.push_back(6);
   nums.push_back(2);
   nums.push_back(7);
   nums.push_back(1);   
      
   nums.erase(nums.begin());
 
   for (int num: nums)
      cout << num << endl;
}