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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 construct_request(model_type, client_name, client_pass, command, values):
 """ Construct the request url. Inputs: - model_type: PServer usage mode type. - client_name: The PServer client name. - client_pass: The PServer client's password. - command: A PServer command. - values: PServer command arguments. Output: - base_request: The base request string. """

    base_request = ("{model_type}?"
                    "clnt={client_name}|{client_pass}&"
                    "com={command}&{values}".format(model_type=model_type,
                                                    client_name=client_name,
                                                    client_pass=client_pass,
                                                    command=command,
                                                    values=values))
    return base_request