import 'dart:io';

void main() {
  performTasks();
}

void performTasks()  {
   task1();
   task2();
   task3();
}

void task1() {
  String result = 'task 1 data';
  print('Task 1 complete');
}

void task2()  {
 String result = 'task 2 data';
  print('Task 2 complete');
}

void task3() {
 String result = 'task 3 data';
  print('Task 3 complete');
}