Critical Thinking Questions Now that you have explored several different languages (Python, HTML, CSS, and JavaScript), what can you do to keep straight which rules apply to which language?

The Document Object Model shows how a webpage is laid out. Why do you think that the Document Object Model is in the order that it is?

Why might you want to wrap div tags around other tags?

When you create names for the elements of a webpage (such as ), what are some rules that you can follow to make your HTML code easier to understand and simpler to use?

Think of an aspect of HTML that you found challenging to master. Why is that aspect of HTML important? What are some future situations that you could use it in?

In a word processing program, such as microsoft word, which feature to you choose the desired picture enhancement?

7.23 main lab 7 - online shopping cart background this main lab extends the earlier prep lab "online shopping cart part 1". (you should save this as a separate project from the earlier prep lab). you will create an on-line shopping cart like you might use for your on-line purchases. the goal is to become comfortable with setting up classes and using objects. requirements this lab can be done individually or as pair programming. expanded itemtopurchase class (15 points) extend the itemtopurchase class as follows. we will not do unit testing in this lab so we will not be giving you the names of the member functions. create good ones on your own. create a parameterized constructor to assign item name, item description, item price, and item quantity (default values of "none" for name and description, and 0 for price and quantity). additional public member functions set an item description get an item description print the cost of an item - outputs the item name followed by the quantity, price, and subtotal (see example) print the description of an item - outputs the item name and description (see example) additional private data members a string for the description of the item. example output of the function which prints the cost of an item: bottled water 10 @ $1.50 = $15.00 example output of the function which prints the item description:

Create a file called favorite_foods, and list your favorite foods, entering five or six or more. press enter after each favorite food so it appears on its own line (make certain you also press enter after the final food item). after the file is created, add two more foods you like that are not on the list (press enter after the final food item). view the list of foods to make certain the two items you added appear at the end of the list