Update page 'Day 2 homework'

Day 2 homework.md

@@ -12,7 +12,7 @@
 4. Write a small program that uses the AST module to open the lexer/parser example, and dumps the resulting AST.  See if there are any arguments to parse method which make the output easier to read.
 5. What does this do?  `print("\007")`  Can you figure out why?
 6. What does this do?  `print("abcdefg\rhijklmnop")`  Can you figure out why?
-7. This is a HTTP server.  Run it and connect to http://localhost:8000 .  Why doesn't this do the same thing as what you see above?  
+7. This is an HTTP server.  Run it and connect to http://localhost:8000 .  Why doesn't this do the same thing as what you see above?  (don't forget to shut down the HTTP server afterward.)
 
 ```
 import http.server
@@ -33,7 +33,7 @@ httpd = socketserver.TCPServer(("", PORT), Handler)
 print(f"Serving on port {PORT}")
 
 httpd.serve_forever()
-```(don't forget to shut down the HTTP server afterwards.)
+```
 8. Think of a way someone might try to commit a crime or hide an embezzlement scheme using the answers to the above two questions.  Hint: applications usually output on web pages, but developers and system administrators usually troubleshoot in the console.
 9. Think of how you would do input validation to prevent such a crime.  Replace the code REPLACE ME here so the tests pass: