Using the Typing library
Type hints can be applied to collections like dictionaries and lists, hinting both the collection itself and the elements it stores. In this exercise, you'll practice exactly that. Go get 'em!
This exercise is part of the course
Intermediate Object-Oriented Programming in Python
Exercise instructions
- Add type hints to the
rosterdictionary to include details about the types of keys and values. - Update the creation of the
agentslist to add type hints for both the object itself, as well as the type of the elements it stores.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Type hint the roster of codenames and number of missions
roster: ____[____, ____] = {
"Chuck": 37,
"Devin": 2,
"Steven": 4
}
# Unpack the values and add type hints for the new list
agents: ____[____] = [
f"Agent {agent}, {missions} missions" \
for agent, missions in roster.items()
]