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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_async_response(response_id):
 """ Get the response from the async table """

    response = DYNAMODB_CLIENT.get_item(
        TableName=ASYNC_RESPONSE_TABLE,
        Key={'id': {'S': str(response_id)}}
    )
    if 'Item' not in response:
        return None

    return {
        'status': response['Item']['async_status']['S'],
        'response': json.loads(response['Item']['async_response']['S']),
    }