Question

Write a Rectangle class in Python language, allowing you to
build a
rectangle with length and width attributes.​

Answer 1

your main file you have:

rectangle = (length, width)

which does not make a new rectangle object. What you want is

rectangle = rectangle.rectangle(length, width)

which is a bit wordy, and will also fail as you have a local variable and the imported module as the same name. You can fix that by using CamelCase for your class names, and just importing the class:

from rectangle import Rectangle # change the name in rectangle.py as well

...

rectangle = Rectangle(length,...