#include <stdio.h>

int main(){
float f = 7.32;
int int1, int2;

printf("Hello World");

return 0;
}

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

// my first program
#include <iostream>
using namespace std;
int main()
{
   cout << "Hello World";
   return 0;
}

#include <iostream>

int main()
{
    std::cout << "Hello WOrld!";
    return 0;
}

module Main where

main :: IO ()
main = putStrLn "Hello World!"

main = putStrLn "Hello World!"

print("Hello, world")

print "hello world"

print_string "Hello world!\n"

print_string "Hello world!\n";

<?php
    echo "hello world"
?>

<?
echo("hello world");
?>

#!/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!\n";

print "Hello world"

print("Hello World")

puts "Hello World"

puts "hello world"

(display "Hello, World")

(display "Hello, World")