void E1() //function definition
{
char pilihan;
string line; // This is an array of char's ... its a type in C++
system("CLS");
fstream deposit;
deposit.open("customer.txt");
getline (deposit,line); // this is where you read or input the data into line.
cout<< line <<endl; // and this is where you output the data that is in "line".
}