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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 check_for_bypass_url(raw_creds, nova_args):
 """ Return a list of extra args that need to be passed on cmdline to nova. """

    if 'BYPASS_URL' in raw_creds.keys():
        bypass_args = ['--bypass-url', raw_creds['BYPASS_URL']]
        nova_args = bypass_args + nova_args

    return nova_args