update topics index

Author: jbrucker

index.md

@@ -396,23 +396,6 @@ Projects should be done, tested, reviewed, and deployed to cloud.
 Presentation: describe your dev process and technology used.  Not a project demo -- the class will use your cloud deployment and give feedback.
 </td>
 </tr>
-<!-- Final -->
-<!-- Lab Exam -->
-<tr valign="top">
-<td align="center" markdown="span"> 
-XX Dec
-</td>
-<td markdown="span">
-Written: 9:00-12:00 AM    
-Coding: 13:00-16:00 PM    
-*Dress Like a Programmer*
-</td>
-<td markdown="span">
-Programming exam will be to write a simple web application,
-with some info saved to a database.  May have a separate problem on other topics we covered.    
-[Additional details](review/web-dev-exam).
-</td>
-</tr>
 </table>
 
 ---

testing/Selenium-scraping.md

@@ -1,18 +1,27 @@
-## Navigate to a Web Page
+"Page scraping" means to extract content from web pages.
+Its often used when the information you want is only available
+on web pages.
 
+These notes are the typical steps in doing page scraping
+with Selenium, but not a single example.
+
+### Navigate to a Web Page
+
+```python
 driver.get("https://www.google.com")
+```
 
-## Find an element on the page
+### Find an element on the page
 
 Suppose we want to find:
-```
+```html
 <input type="text" id="input_username" name="username" 
        placeholder="Type your name" />
 ```
 
 We can use:
 
-```
+```python
 # find type id
 element = driver.find_element_by_id("input_username")
 # or find it by name
@@ -70,7 +79,7 @@ text - element.text
 ## Don't Load Images (Make the Webdriver More Efficient)
 
 For Firefox, use:
-```
+```python
 from selenium import webdriver
 
 profile = webdriver.FirefoxProfile()