hello_world

python

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print('hello world')

julia

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println("hello world")

ruby

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p 'hello world'

r

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print('hello world')

matlab

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disp('hello world')

c

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#include <stdio.h>
#include <stdlib.h>
int main(int argc,char** argv)
{
  printf("hello world\n");
  return 0;
}

c++

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#include <iostream>
using namespace std;
int main(int argc,char *argv[])
{
  cout<<"hello world"<<endl;
  return 0;
}

java

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

C Sharp

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using System;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("hello world");
        }
    }
}