def get_device_pool(arn=None):
    """
    Gets information about a device pool.
    See also: AWS API Documentation
    
    Examples
    The following example returns information about a specific device pool, given a project ARN.
    Expected Output:
    
    :example: response = client.get_device_pool(
        arn='string'
    )
    
    
    :type arn: string
    :param arn: [REQUIRED]
            The device pool's ARN.
            

    :rtype: dict
    :return: {
        'devicePool': {
            'arn': 'string',
            'name': 'string',
            'description': 'string',
            'type': 'CURATED'|'PRIVATE',
            'rules': [
                {
                    'attribute': 'ARN'|'PLATFORM'|'FORM_FACTOR'|'MANUFACTURER'|'REMOTE_ACCESS_ENABLED'|'APPIUM_VERSION',
                    'operator': 'EQUALS'|'LESS_THAN'|'GREATER_THAN'|'IN'|'NOT_IN'|'CONTAINS',
                    'value': 'string'
                },
            ]
        }
    }
    
    
    :returns: 
    ARN: The ARN.
    FORM_FACTOR: The form factor (for example, phone or tablet).
    MANUFACTURER: The manufacturer.
    PLATFORM: The platform (for example, Android or iOS).
    REMOTE_ACCESS_ENABLED: Whether the device is enabled for remote access.
    APPIUM_VERSION: The Appium version for the test.
    
    """
    pass
