les15.dart

void main (){
// you can call your functions  as you wish without problems ,,,
printHello();
//printHello(); --> 
welcomeBack();
wcB2();
soundRec1();
goodBay1();

}
// how to make function | reCall function .. !!
// "void" is the return type of the function --> !! :) so 
// remember main in the start line of dart its function... thats it.
//void main (){ }   --> main = Function. 
void printHello () {
  print ("=========================");
  print ("  Hello Dear Customers");
  print ("=========================");
}

void welcomeBack () {
  print ("Welcome-back dear 'vesitor', How can i help you Today!! :)");
}

void wcB2 () {
  print ("Please prepare Your info. Then Enter the code via SMS.. please after Alarm >>>");
}

void soundRec1 () {
  print (" Sound Track ....MP4 etc.. Hello Dear ....");
}

void goodBay1 () {
  print (" GOod Bay ..See Yaaaa Next Time .. Good Luck !!..");
}