#### SUMMARY
This feature would implement a UpdateUserName command for the Accounts category of redfish_command, to update user name. And also implement a UpdatePasswordPolicy command for the Accounts category of redfish_command to change password policy.

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
redfish_command

##### ADDITIONAL INFORMATION
These 2 commands would help user to update user name or update password policy

result = {}
        key = "Boot"
        if not bootdevice:
            return {'ret': False,
                    'msg': "bootdevice option required for SetOneTimeBoot"}
        
        response = self.get_request(self.root_uri + self.systems_uris[0])
        if response['ret'] is False:
            return response