def delete_option_group(OptionGroupName=None):
    """
    Deletes an existing option group.
    See also: AWS API Documentation
    
    Examples
    This example deletes the specified option group.
    Expected Output:
    
    :example: response = client.delete_option_group(
        OptionGroupName='string'
    )
    
    
    :type OptionGroupName: string
    :param OptionGroupName: [REQUIRED]
            The name of the option group to be deleted.
            Note
            You cannot delete default option groups.
            

    :return: response = client.delete_option_group(
        OptionGroupName='mydboptiongroup',
    )
    
    print(response)
    
    
    """
    pass
