I have to complete this task for my class and Im stuck on this exercise because it always gives me this same error TypeError calculate() missing 4 required positional arguments &x27;a&x27;, &x27;b&x27;, &x27;c&x27;, and &x27;d&x27; The exercise is to create a function so that. Parameters. importname the name of the application package. staticurlpath (Optional) can be used to specify a different path for the static files on the web.Defaults to the name of the staticfolder folder. staticfolder (OptionalUnionstr, os.PathLike) The folder with static files that is served at staticurlpath.Relative to the application rootpath or an absolute path. Arguments in Practice Positional arguments are required Positional arguments are all required, . Basic Flask Practice Wrapping Up More. quot;Nina") Traceback (most recent call last) File "<stdin>", line 1, in <module> TypeError saygreeting() missing 1 required positional argument 'greeting' You can pass in none,.