main function
void
main()
Implementation
void main() {
dynamic a = 200;
String names = "fasil";
print(a.runtimeType);
helloWorld();
number = 1;
number = 2;
print("first number is 0");
for (var i = 0; i < 5; i++) {
print(i);
}
print("last number is 5");
}