Facing issue in codeacademy learning portal


#1

Hi,

I’m a python beginner in codeacemdy learning portal .i’m facing issue to type the code and not able to click on next button . could you help me to resolve the issue.
below is the link which I’m using
https://www.codecademy.com/courses/learn-python/lessons/python-syntax/exercises/arithmetic?action=resume_content_item#