Each week you are meeting with your friends to spend some quality time together. Usually you're hanging out in a bar on Friday nights, or going out of town on Saturdays, or playing the board games on Sundays. You want to simplify the process of gathering people and that's why you've decided to write a program which could automate this process.
You should create the class Party(place) which will send the invites to all of your friends. Also you should create the class Friend and each friend will be an instance of this class.
Sometimes the circle of friends is changing - new friends appear, the old ones disappear from your life (for example - move to another town). To form right connections you should create the Party class with the next methods:
add_friend (Friend(name)) - add friend 'name' to the list of the 'observers' (people, which will get the invitations, when the new party is scheduled).
del_friend (friend) - remove 'friend' from the 'observers' list.
send_invites() - send the invites with the right day and time to the each person on the list of 'observers'.
Class Friend should have the show_invite() method which returns the string with the last invite that the person has received with the right place, day and time. The right place - is the 'place' which is given to the Party instance in the moment of creation. If the person didn't get any invites, this method should return - "No party..."
In this mission you could use the Observer design pattern.
party = Party("Midnight Pub") nick = Friend("Nick") john = Friend("John") lucy = Friend("Lucy") chuck = Friend("Chuck") party.add_friend(nick) party.add_friend(john) party.add_friend(lucy) party.send_invites("Friday,...
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CheckiO Extensions allow you to use local files to solve missions. More info in a blog post.
In order to install CheckiO client you'll need installed Python (version at least 3.8)
Install CheckiO Client first:
pip3 install checkio_client
Configure your tool
checkio --domain=py config --key=
Sync solutions into your local folder
(in beta testing) Launch local server so your browser can use it and sync solution between local file end extension on the fly. (doesn't work for safari)
checkio serv -d
Alternatevly, you can install Chrome extension or FF addon
checkio install-plugin --ff
checkio install-plugin --chromium