Python Coding
Challenges

Advanced Python medium

Context manager timer

Implement a Timer context manager that records elapsed seconds.

context-manager time

+22 pts 20m

Advanced Python easy

Infinite counter generator

Create an infinite counter starting from `start`, stepping by `step`.

generators itertools

+12 pts 12m

Advanced Python medium

Retry decorator

Implement @retry(times=3) that retries a function on exception.

decorators error-handling

+28 pts 25m

Advanced Python medium

2D Vector dataclass

Implement a Vector2D dataclass with +, -, scalar *, dot product, and magnitude.

dataclass OOP math

+20 pts 18m

Advanced Python hard

Data pipeline

Implement a Pipeline class supporting pipe chaining with the | operator.

functional OOP pipeline

+40 pts 35m

Advanced Python hard

Validated descriptor

Implement a TypedField descriptor that raises TypeError if the value is not of the expected type.

descriptors OOP metaclass

+40 pts 35m