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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 cctop_check_status(jobid):
 """Check the status of a CCTOP job ID. Args: jobid (str):
 Job ID obtained when job was submitted Returns: str: 'Finished' if the job is finished and results ready to be downloaded, 'Running' if still in progress, 'Invalid' for any errors. """

    status = 'http://cctop.enzim.ttk.mta.hu/php/poll.php?jobId={}'.format(jobid)
    status_text = requests.post(status)
    return status_text.text