def create_or_update_tags(Tags=None):
    """
    Creates or updates tags for the specified Auto Scaling group.
    When you specify a tag with a key that already exists, the operation overwrites the previous tag definition, and you do not get an error message.
    For more information, see Tagging Auto Scaling Groups and Instances in the Auto Scaling User Guide .
    See also: AWS API Documentation
    
    Examples
    This example adds two tags to the specified Auto Scaling group.
    Expected Output:
    
    :example: response = client.create_or_update_tags(
        Tags=[
            {
                'ResourceId': 'string',
                'ResourceType': 'string',
                'Key': 'string',
                'Value': 'string',
                'PropagateAtLaunch': True|False
            },
        ]
    )
    
    
    :type Tags: list
    :param Tags: [REQUIRED]
            One or more tags.
            (dict) --Describes a tag for an Auto Scaling group.
            ResourceId (string) --The name of the group.
            ResourceType (string) --The type of resource. The only supported value is auto-scaling-group .
            Key (string) -- [REQUIRED]The tag key.
            Value (string) --The tag value.
            PropagateAtLaunch (boolean) --Determines whether the tag is added to new instances as they are launched in the group.
            
            

    :return: response = client.create_or_update_tags(
        Tags=[
            {
                'Key': 'Role',
                'PropagateAtLaunch': True,
                'ResourceId': 'my-auto-scaling-group',
                'ResourceType': 'auto-scaling-group',
                'Value': 'WebServer',
            },
            {
                'Key': 'Dept',
                'PropagateAtLaunch': True,
                'ResourceId': 'my-auto-scaling-group',
                'ResourceType': 'auto-scaling-group',
                'Value': 'Research',
            },
        ],
    )
    
    print(response)
    
    
    """
    pass
