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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 get_full_perm(perm, obj):
 """Join action with the content type of ``obj``. Permission is returned in the format of ``<action>_<object_type>``. """

    ctype = ContentType.objects.get_for_model(obj)
    # Camel case class names are converted into a space-separated
    # content types, so spaces have to be removed.
    ctype = str(ctype).replace(' ', '')

    return '{}_{}'.format(perm.lower(), ctype)