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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_options(server):
 """Retrieve the available HTTP verbs"""

    try:
        response = requests.options(
            server, allow_redirects=False, verify=False, timeout=5)
    except (requests.exceptions.ConnectionError,
            requests.exceptions.MissingSchema):
        return "Server {} is not available!".format(server)

    try:
        return {'allowed': response.headers['Allow']}
    except KeyError:
        return "Unable to get HTTP methods"