# c++
#include <iostream>
int main(){
std::cout << "hello world";
return 0;
}
# c
#include <stdio.h>
int main(){
printf("hello world");
return 0;
}
# shell
echo "hello world"
# javascript
console.log("hello world")
# java
system.out.println("hello world")
# html
<h1>hello world</h1>
# php
echo "hello world"
# python
print("hello world")
