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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 setup(self, host, flow_id, reason, grr_server_url, grr_username, grr_password, approvers=None, verify=True):
 """Initializes a GRR flow collector. Args: host: hostname of machine. flow_id: ID of GRR flow to retrieve. reason: justification for GRR access. grr_server_url: GRR server URL. grr_username: GRR username. grr_password: GRR password. approvers: list of GRR approval recipients. verify: boolean, whether to verify the GRR server's x509 certificate. """

    super(GRRFlowCollector, self).setup(
        reason, grr_server_url, grr_username, grr_password,
        approvers=approvers, verify=verify)
    self.flow_id = flow_id
    self.host = host