#include<stdio.h>
#include<stdlib.h>

int main( int argc, char *argv[])
{
  printf("hello world\n");
  return 0;
}

#include <stdio.h>
int main()
{
   // printf() displays the string inside quotation
   printf("Hello, World!");
   return 0;
}

#include <iostream>

int main() {
    std::cout << "Hello, World!" << std::endl;
}

#include <iostream>

using namespace std;

int main()
{
    cout<<"Hello World";

    return 0;
}

main = putStrLn "Hello, world!"

main = putStrLn "Hello, World!"

print("Hello, world!")

print("Hello World")

print_string "Hello world!\n"

print_endline "hello world!";;

<?php
function krutiToUnicode(){
echo "Hello world!";
}
krutiToUnicode();
?>

<?php
function writeMsg() {
    echo "Hello world!";
}

writeMsg(); // call the function
?>

print ("Hello World")

print "Hello, world\n";

print("hello world")

a = "Hello, World"
print(a.upper())

puts "hello world"

puts "Hello World!"

(display "Hello, World!")

(display "Hello, World!")