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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 create_connection():
 """Return a redis.Redis instance connected to REDIS_URL."""

    # REDIS_URL is defined in .env and loaded into the environment by Honcho
    redis_url = os.getenv('REDIS_URL')
    # If it's not defined, use the Redis default
    if not redis_url:
        redis_url = 'redis://localhost:6379'
    urlparse.uses_netloc.append('redis')
    url = urlparse.urlparse(redis_url)
    return redis.StrictRedis(
        host=url.hostname,
        port=url.port,
        db=0,
        password=url.password
    )