int main() {
    printf("hello world");
    return 0;
}

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

#include <stdio.h>

int main()
{
    printf("Hello World");

    return 0;
}

#include <stdio.h>

int main()
{
    printf("Hello World");

    return 0;
}

import std.stdio;

void main()
{
    writefln("Hello, World!");
}

main = putStrLn "Hello world";

main = putStrLn "Hello, World!"

print("Hello World!")

print("Hello World")

let main _ = 
    Printf.printf "Hello World"


let () =
    main ()

print_endline "Hello World!"

Hello, World!

<?php
echo "Hello World!";
?>

#!/usr/bin/perl
		
print "Hello, World!\n";

#!/usr/bin/perl
#
# The traditional first program.
 
# Strict and warnings are recommended.
use strict;
use warnings;
 
# Print a message.
print "Hello, World!\n";

print('Hello World')

print('Hello World!')

puts "Hello, World"

#!/usr/bin/ruby
 
puts "Hello World!";

(display "Hello, World!")

(display "Hello World")