A tutorial web application using web.py and jQuery.

Updated for Python 3.7.x

main.py:

• updated except syntax; assign e to result of Exception e.g., Exception as e: instead of Exception, ex:
• use e.args or e.message instead of ex.__str__() (depricated) to print() abovementioned exception
• use in operator instead ofhas_key()(depricated)

templates/ajaxdropdowns.html

• use doublequotes(") for id attribute values on select elements