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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 ReplaceAttachment(self, attachment_link, attachment, options=None):
 """Replaces an attachment and returns it. :param str attachment_link: The link to the attachment. :param dict attachment: :param dict options: The request options for the request. :return: The replaced Attachment :rtype: dict """

        if options is None:
            options = {}

        CosmosClient.__ValidateResource(attachment)
        path = base.GetPathFromLink(attachment_link)
        attachment_id = base.GetResourceIdOrFullNameFromLink(attachment_link)
        return self.Replace(attachment,
                            path,
                            'attachments',
                            attachment_id,
                            None,
                            options)