To memoize a function in Python, we can use a utility supplied ... like so: @lru_cache(360) def sin_half(x): return sin(x)/2 This caches a maximum of 360 possible values for x, and their ...

Python is a powerful programming language ... Below is a not-very-efficient implementation of an integral function: def f(x): return x ** 2 - x def integrate_f(a, b, N): s = 0 dx = (b - a ...

Improve your Python testing even more ... @pytest.fixture def simple_file(): return StringIO('\n'.join(['abc', 'def', 'ghi', 'jkl'])) On the face of it, this looks like a simple function—one that ...