#include<stdio.h>
int main()
{
   printf("Hello World");
   
    return 0;
}

#include <stdio.h>

int main(void)
{
	printf("hello, world\n");
	return 0;
}

      #include <iostream>
    using namespace std;
    void print (char * a)
    {
        cout << a << endl;
    }
    int main ()
    {
        const char * a = "Hello world";
        print(const_cast<char *> (a) );
        return 0;
    }

#include <iostream.h>
using namespace std;
int main() 
{
    cout << "Hello, World!";
    return 0;
}        

main = putStrLn "Hello World"

main = putStrLn "Hello, world!"
main2 = putStrLn "Hi wo!"

print("Hello World!")

print("Hello World!")

let () = print_string "hello, world" 

print_endline "Hello, World!"

<?php
echo "Hello World";

<?php
echo "hello world";
?>

#script begins
print("hello world")
#script ends

print('Hello World')

print("hello world")

print("Hello World")

printf "hello world" ;

puts "hello world"

(display "Hello World!")

(display "Hello, World!")