Python - Function that averages user input numbers.

[Yozuru]

Hello good people,

I am working on a function that prompts a user for a numerical character and ends when a non-numerical character is inputted.

In my code, I managed to get it to prompt for a number, but afterwards it does not work.

Here is a pastebin of my code:

http://pastebin.com/SVrRmugs

Many thanks in advance for any help.

Edit: Solved. Many thanks for the input everyone!