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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 abort_submission(namespace, workspace, submission_id):
 """Abort running job in a workspace. Args: namespace (str):
 project to which workspace belongs workspace (str):
 Workspace name submission_id (str):
 Submission's unique identifier Swagger: https://api.firecloud.org/#!/Submissions/deleteSubmission """

    uri = "workspaces/{0}/{1}/submissions/{2}".format(namespace,
                                        workspace, submission_id)
    return __delete(uri)