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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, reason, grr_server_url, grr_username, grr_password, approvers=None, verify=True):
 """Initializes a GRR hunt result collector. Args: 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. """

    grr_auth = (grr_username, grr_password)
    self.approvers = []
    if approvers:
      self.approvers = [item.strip() for item in approvers.strip().split(',')]
    self.grr_api = grr_api.InitHttp(api_endpoint=grr_server_url,
                                    auth=grr_auth,
                                    verify=verify)
    self.output_path = tempfile.mkdtemp()
    self.reason = reason