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 ...

including inner functions and Python's scoping rules. I do, however, want to ask the question "how can you use Mypy to check all of this?" from typing import Callable def foo(x: int) -> Callable: def ...

Learn how to use asynchronous programming in Python ... from regular functions: import asyncio from web_scraping_library import read_from_site_async async def main(url_list): return await ...

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 ...