你好世界

你好世界

Hello World

# python
if __name__ == '__main__':
    print 'hello world'

// java
public class Hello{
    public static void main(String [] args){
        System.out.println("hello world");
    }
}

-- haskell
main = do
    putStrLn "hello world"

// c
int main(int argc, char ** argv) {
    printf("hello world\n");
}