char getTypeAcc() {
     char type;
     cout << "Enter account type: ";
     cin >> type;
     while(true) {
         switch(type) {
             case 'c' || 'C' || 'p' ||'P':
         return type;
             default:
         cout << "Error! Account Type must be C or P.";
         cout << "\nEnter the account type: ";
         cin >> type;
     }
     return type;
 }
 }