redis_exercise.py

from redis import Redis


password = "Qb@zGhzfF+jAmphvu?Rvxq9P9Nkjwv3ECCoR+Gc4Qx3FWeN(oUf"

# create a connection to the localhost Redis server instance, by
# default it runs on port 6379

redis_db = Redis(
    host="192.168.0.111",
    port=6379,
    db=0,
    password=password)

# see what keys are in Redis
print(redis_db.keys())

# output for keys() should be an empty list "[]"
redis_db.set('full stack', 'python')

# output should be "True"
print(redis_db.keys())

# now we have one key so the output will be "[b'full stack']"
print(redis_db.get('full stack'))

# output is "b'python'", the key and value still exist in Redis
print(redis_db.incr('twilio'))

# output is "1", we just incremented even though the key did not
# previously exist
print(redis_db.get('twilio'))

# output is "b'1'" again, since we just obtained the value from
# the existing key
print(redis_db.delete('twilio'))

# output is "1" because the command was successful
print(redis_db.get('twilio'))
# nothing is returned because the key and value no longer exist