#include <iostream>
using namespace std;
// compare_substring_assign1.cpp
int main()
{
	string str1, str3, str4;
	  string str2="Once upon a time there was great magician ";
     char * chptr1  =" his name was Marlin "; 
     cout <<"\n str1.assign(str2) " << "\n \t";         
	  str1.assign(str2);
	  cout << str1 << endl;
	  cout <<"\n str1.assign(chptr1) " << "\n \t";    
      str1.assign(chptr1);
      cout << str1<<endl;
      //
      cout <<"\n str3= str2.substr (11,22); " << "\n \t";    
      str3= str2.substr (11,12);
      cout<< str3 <<endl;     
      //
      cout <<"\n str1.assign(str2,11,22); " << "\n \t";    
      str1.assign(str2,11,22);
      cout << str1 << endl;  
      //
      cout <<"\n str1.assign(str2.begin()+10,str2.end()-4) " << "\n \t"; 
	  str1.assign(str2.begin()+10,str2.end()-4);
	  cout << str1 << endl;         
	  cout<< "substr can't work like " <<endl;
	  cout<< "\t assign (str2.begin()+10,str2.end()-4)";
	 return 0;
}