#include<iostream>
#include<map>
using namespace std;
int main(){
    map<int,string> m;
    m[1]="Praveen";
    m[2]="Kumar";
    m[3]="Adari";
    cout<<"Key\tValues\n";
    for(auto i:m){
        cout<<i.first<<"\t"<<i.second<<"\n";
    }
    m.insert({4,"Sairam"});
    cout<<"\nafter inserting Sairam\n";
    cout<<"\nKey\tValues\n";
    for(auto i:m){
        cout<<i.first<<"\t"<<i.second<<"\n";
    }
    m.erase(3);
    cout<<"\nafter erasing Adari\n";
    cout<<"\nKey\tValues\n";
    for(auto i:m){
        cout<<i.first<<"\t"<<i.second<<"\n";
    }
    m.insert({3,"Poorna"});
    cout<<"\nafter inserting Poorna\n";
    cout<<"\nKey\tValues\n";
    for(auto i:m){
        cout<<i.first<<"\t"<<i.second<<"\n";
    }
    auto it=m.find(2);
    cout<<"\nprinting elements from key value 2\n";
    cout<<"\nKey\tValues\n";
    for(auto i=it;i!=m.end();i++){
        cout<<(*i).first<<"\t"<<(*i).second<<"\n";
    }
    return 0;
}