#### 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 = {}
        response = self.get_request(self.root_uri + self.update_uri)
        if response['ret'] is False:
            return response
        result['ret'] = True
        result['entries'] = {}
        data = response['data']
        if "Actions" in data:
            actions = data['Actions']
            if len(actions) > 0:
                for key in actions.keys():
                    action = actions.get(key)
                    if 'title' in action:
                        title = action['title']
                    else:
                        title = key
                    result['entries'][title] = action.get('TransferProtocol@Redfish.AllowableValues',
                                                          ["Key TransferProtocol@Redfish.AllowableValues not found"])
            else:
                return {'ret': "False", 'msg': "Actions list is empty."}
        else:
            return {'ret': "False", 'msg': "Key Actions not found."}
        return result
    def get_firmware_inventory(self):