Update README.md

Author: spirosbax

week2/README.md

@@ -1,17 +1,17 @@
-#Week 2
+# Week 2
 
-###What is github
+### What is github
 https://www.howtogeek.com/180167/htg-explains-what-is-github-and-what-do-geeks-use-it-for/
 
-###Set up atom on windows
+### Set up atom on windows
 https://www.youtube.com/watch?v=HqhRLvzTihU
 
-###Lists vs arrays
+### Lists vs arrays
 https://www.geeksforgeeks.org/linked-list-vs-array/
 
-###Guess the number from:
+### Guess the number from:
 https://knightlab.northwestern.edu/2014/06/05/five-mini-programming-projects-for-the-python-beginner/
 
-###What is jupyter
+### What is jupyter
 https://jupyter-notebook-beginner-guide.readthedocs.io/en/latest/what_is_jupyter.html
 https://www.youtube.com/watch?v=q_BzsPxwLOE