#### 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

return self.aggregate(self.get_bios_attributes)
    def _get_boot_options_dict(self, boot):
        
        properties = ['DisplayName', 'BootOptionReference']
        
        if 'BootOptions' in boot and '@odata.id' in boot['BootOptions']:
            boot_options_uri = boot['BootOptions']["@odata.id"]
            
            response = self.get_request(self.root_uri + boot_options_uri)
            if response['ret'] is False:
                return {}
            data = response['data']
            
            if 'Members' not in data:
                return {}
            members = data['Members']
        else:
            members = []
        
        boot_options_dict = {}
        for member in members:
            if '@odata.id' not in member:
                return {}
            boot_option_uri = member['@odata.id']
            response = self.get_request(self.root_uri + boot_option_uri)
            if response['ret'] is False:
                return {}
            data = response['data']
            if 'BootOptionReference' not in data:
                return {}