C :

int main(){}

C++ :

#include <iostream>
using namespace std;
int main()
{
    return 0;
}

Java :

class Main{
	public static void main(String args[]){
		
	} 
}

Python :

# coding=utf-8
"""
 __                       __
/\ \                     /\ \__          __
\ \ \___   __  __    ____\ \ ,_\   ___  /\_\
 \ \  _ `\/\ \/\ \  /',__\\ \ \/  / __`\\/\ \
  \ \ \ \ \ \ \_\ \/\__, `\\ \ \_/\ \L\ \\ \ \
   \ \_\ \_\ \____/\/\____/ \ \__\ \____/_\ \ \
    \/_/\/_/\/___/  \/___/   \/__/\/___//\ \_\ \
                                        \ \____/
                                         \/___/
                                         """