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Chang Hyeon Lee2,008 Points
I need a help.
I got this message Make sure both
close are integers. I couldn't make next step.
open = 1
Look at the code below.
open = 9
close = 10
Note that these are just class tributes or class variables and not methods in the class. so no need yet to implement a method. In the following video, you will be asked to do the method. then you can add the function.