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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_submit(seq_str):
 """Submit a protein sequence string to CCTOP and return the job ID. Args: seq_str (str):
 Protein sequence as a string Returns: dict: Job ID on the CCTOP server """

    url = 'http://cctop.enzim.ttk.mta.hu/php/submit.php?sequence={}&tmFilter&signalPred'.format(seq_str)
    r = requests.post(url)
    jobid = r.text.split('ID: ')[1]

    return jobid