def add_tags(ResourceArns=None, Tags=None):
    """
    Adds the specified tags to the specified resource. You can tag your Application Load Balancers and your target groups.
    Each tag consists of a key and an optional value. If a resource already has a tag with the same key, AddTags updates its value.
    To list the current tags for your resources, use  DescribeTags . To remove tags from your resources, use  RemoveTags .
    See also: AWS API Documentation
    
    Examples
    This example adds the specified tags to the specified load balancer.
    Expected Output:
    
    :example: response = client.add_tags(
        ResourceArns=[
            'string',
        ],
        Tags=[
            {
                'Key': 'string',
                'Value': 'string'
            },
        ]
    )
    
    
    :type ResourceArns: list
    :param ResourceArns: [REQUIRED]
            The Amazon Resource Name (ARN) of the resource.
            (string) --
            

    :type Tags: list
    :param Tags: [REQUIRED]
            The tags. Each resource can have a maximum of 10 tags.
            (dict) --Information about a tag.
            Key (string) -- [REQUIRED]The key of the tag.
            Value (string) --The value of the tag.
            
            

    :rtype: dict
    :return: {}
    
    
    :returns: 
    (dict) --
    
    """
    pass
