Challenge 1
Make first generic over an element type T.
python
Your answer
print(first([10, 20, 30]))Press Ctrl⌘Enter to check your answer
Code Completion
4 Challenges
Complete the Python generic type parameters code
Practice generic functions, classes, type aliases, and multiple type parameters.
Advanced
~9 min read
Challenge 2
Make Box generic over the type of value it stores.
python
Your answer
box = Box(42)
print(box.value)Press Ctrl⌘Enter to check your answer
Challenge 3
Create the generic Pair alias used by the annotation.
python
Your answer
point: Pair[int] = (3, 4)
print(point)Press Ctrl⌘Enter to check your answer
Challenge 4
Make pair generic over two different types, T and U.
python
Your answer
print(pair(7, "seven"))Press Ctrl⌘Enter to check your answer