This is in python. I hit a coding block

Create a While Loop that does the following: a = a + -a until it is greater than b. Inside the loop, create a function that adds 10 to a if a = 0. Print the value that makes a greater than b. Make sure the correct answer matches the one listed below. b = 400 444.0892098500626 Saving and Exporting Save your notebook, name the file, download as an HTML file, and turn it in on Canvas