Update page 'Day 2 homework'

Day 2 homework.md

@@ -13,27 +13,29 @@
 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 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
-import socketserver
-from urllib.parse import urlparse, parse_qs
+    import http.server
+    import socketserver
+    from urllib.parse import urlparse, parse_qs
 
-class MyRequestHandler(http.server.SimpleHTTPRequestHandler):
-    def do_GET(self):
-        self.send_response(200)
-        self.send_header('Content-type', 'text/plain')
-        self.end_headers()
-        output_string = "abcdefg\rhijklmnop"
-        self.wfile.write(output_string.encode())
+    class MyRequestHandler(http.server.SimpleHTTPRequestHandler):
+        def do_GET(self):
+            self.send_response(200)
+            self.send_header('Content-type', 'text/plain')
+            self.end_headers()
+            output_string = "abcdefg\rhijklmnop"
+            self.wfile.write(output_string.encode())
 
-PORT = 8000
-Handler = MyRequestHandler
-httpd = socketserver.TCPServer(("", PORT), Handler)
-print(f"Serving on port {PORT}")
+    PORT = 8000
+    Handler = MyRequestHandler
+    httpd = socketserver.TCPServer(("", PORT), Handler)
+    print(f"Serving on port {PORT}")
 
-httpd.serve_forever()
+    httpd.serve_forever()
     ```
-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. 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:
 
 ```