Monty @ The Python Coding Place @thepythoncodingplace.com · Feb 24 So far you haven't called the function, not even once. Call it now: /4 1 likes 1 replies ? Reply Replies Monty @ The Python Coding Place · Feb 24 It's the first time you call the function, but the list already has a value in it—the one you added when you accessed the "default" list through the `function` object. This list, `output`, is the same one you appended to earlier: /5