Feature Request - Code Challenge hard mode setting

I was given a coding challenged with the editor populated with the following code:

class Rectangle:
    def __init__(self):

    def area(self):

    def perimeter(self):

It would be great if I could toggle a setting on my account that would ensure every code challenge is empty to ensure I have a chance to continuously practice rewriting things like classes or syntax I learned in prior lessons.

Thank you very much for your feedback. We can definitely look into that.