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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_distinguished(cls, account):
 """Gets the distinguished folder for this folder class"""

        if not cls.DISTINGUISHED_FOLDER_ID:
            raise ValueError('Class %s must have a DISTINGUISHED_FOLDER_ID value' % cls)
        folders = list(FolderCollection(
            account=account,
            folders=[cls(account=account, name=cls.DISTINGUISHED_FOLDER_ID, is_distinguished=True)]
        ).get_folders()
        )
        if not folders:
            raise ErrorFolderNotFound('Could not find distinguished folder %s' % cls.DISTINGUISHED_FOLDER_ID)
        if len(folders) != 1:
            raise ValueError('Expected result length 1, but got %s' % folders)
        folder = folders[0]
        if isinstance(folder, Exception):
            raise folder
        if folder.__class__ != cls:
            raise ValueError("Expected 'folder' %r to be a %s instance" % (folder, cls))
        return folder