Composition question

[kerzol81]

Hi, thanks, I implemented __str__, and now it works lik a charm.

class Folder:
    _path = ''
    _files = []

    def __init__(self, path):
        if not os.path.exists(path):
            message = "folder does not exist"
            raise TypeError(message)

        self.path = path

    def __str__(self):
        return self.path

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Just to note that defining THAT much classes is not necessary, e.g. Source and Destination classes are virtually the same and almost the same as Folder

I know that, but it's just a composition testing. In the end there wont be 3 classes.