added my name to contributor

Contributors.md

@@ -424,15 +424,15 @@ About: ML Developer,Google assistant Developer,Alexa Developer.<br/>
 <br/>
 Name: [Akshat Bhardwaj](https://github.com/akshatb622)<br/>
 Place: India<br/>
-About: Sophomore at IIITL<br/> 
+About: Sophomore at IIITL<br/>
 <br/>
 Name: [Ankur sharma](https://github.com/ankur2825)<br/>
 Place: India<br/>
 About: aspiring flutter developer<br/>
 <br/>
 Name: [Akshat Bhardwaj](https://github.com/akshatb622)<br/>
 Place: India<br/>
-About: Sophomore at IIITL<br/> 
+About: Sophomore at IIITL<br/>
 Name: [Rohit Kumar](https://github.com/RohitKumar-200)<br/>
 Place: India<br/>
 About: Web Developer<br/>
@@ -585,7 +585,7 @@ Place: Indonesia<br/>
 About: Loveyourself <br/>
 Name: [Mahima Sawant](https://github.com/mahimasawant)<br/>
 Place: India
-About: Web developer 
+About: Web developer
 <br/>
 Name: [Yash Shah](https://github.com/YashShah85)</br>
 Place: Ahmedabad</br>
@@ -619,3 +619,7 @@ About: Student of Bio Technology <br/>
 Place: West Jakarta, Indonesia<br/>
 About: Student of Software Enginering <br/>
 </br>
+Name: [Danhorsch](https://github.com/DanHorsch)<br/>
+Place: USA<br/>
+About: University Software Developer <br/>
+</br>

Hello World Programs/hello_world.dart

@@ -1,3 +1,3 @@
 void main() {
-  print('Hello world');
+  print('Hello, World!');
 }

Hello World Programs/helloworld.c

@@ -1 +1,6 @@
-print("hello world!!")
+#include <stdio.h>
+int main(){
+
+   printf("Hello World");
+   return 0;
+}

Hello World Programs/helloworld.cpp

@@ -1,9 +1,8 @@
-#include <iostream>
-
+#include<iostream>
 using namespace std;
-
 int main()
 {
-    cout << "Hello world!" << endl;
-    return 0;
-}
+cout<<"Hello World Hacktoberfest2020";
+cout<<"Happy Coding....Happy Contributing";
+return 0;
+}

Hello World Programs/helloworld.py

@@ -1,3 +1,4 @@
-# This program prints Hello, world!
+print("Hello World")
 
-print("Hello World!")
+y="Hello World!"
+print(y)