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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 pdbe_status_code(code):
 """Check if a PDB code has structure files on the PDBE site. Parameters code : str PDB code to check for on PDBE. Returns ------- status_code : int HTTP status code of PDBE url associated with input code. """

    url = 'http://www.ebi.ac.uk/pdbe/entry-files/download/{0}_1.mmol'.format(code)
    r = requests.head(url=url)
    return r.status_code