Storing key-value data with Redis
Redis is a powerful tool used to store key-value pairs and is especially common in web applications. In this example, you're a developer creating a widget that shows the current weather for users of an application and leveraging Redis to cache this information.
To help get you stared, a connection to the Redis cluster has been created and is available in the variable redis_conn
. Go get 'em!
This exercise is part of the course
Introduction to NoSQL
Exercise instructions
- Store the value
"London"
at the key"city"
. - Using the key
"sunshine"
, store the value7
- Retrieve the values stored at the
"city"
and"sunshine"
keys, take a look at theprint
ed results.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Store the city key-value pair
redis_conn.____("____", "London")
# Store the sunshine key-value pair
____.____("____", "____")
# Retrieve values stored at the city and sunshine keys
city = redis_conn.____("____")
sunshine = ____.____("____")
print(city)
print(sunshine)