Given a function: def foobar(foo: int, bar: str, spam: SpamService) -> str: return spam.serve(foo, bar) This function, similar in look to Fa ...

Learning Python. I was learning reduce() and was playing with the initialization parameter. The code simply outputs a SHA256 hash of a list of strings ...

I have been scratching my head for days about this problem. Please, find below the structure of my input data and the output that I want. I color-code ...

I'm working on a Django project (version 1.11 - Python 2.7) and I need to create a new endpoint to clear all the methods cached using lru_cache decora ...

I want in class B to automatically add the decorator _preCheck to all methods that have been inherited from class A. In the example b.double(5) is cor ...

I'll try to take a dummy example to explain my goal: updating a cache (defined with @cached_property) computed from an instance attribute. Let's say ...

Goal: create a single-dispatch generic function; as per functools documentation. I want to use my_func() to calculate dtypes: int or list, in pairs. ...

I create data in a format like this: I need to perform several operations (add, sub, div, mult, factorial, power_to, root) on the part before the h ...

My initial experience using the typed parameter for Python's functools.lru_cache decorator has given me results that don't seem to match its descripti ...

Consider the following code, which uses functools.reduce to concatenate a list of dataframes: This code works well. However, when I try the followi ...

Sample input: Sample output: The above code does the following: It takes the input as N, where N is the number of elements in the list. ...

Consider the code below, I want to access the key value pairs of the inbuilt cache that functools' cache provides. ...

Problem Given the following code (an arbitrary decorator which just assigns data to some callable) from typing import Callable def decorator() -&gt ...

I have a function that would benefit from using functools.reduce it would act something like this import functools def add(total, val, max_index, in ...

For the following program: I got the following output: My question is, if this decorator is applied on the function, does it make use of functio ...

I am using the daft package to draw graphical models. I want to create new methods for the daft.PGM class to simplify the amount of arguments I have t ...

I have a problem. I want to get the coordinates long and lat from the address. I want to check directly in the method whether this address already has ...

I would like to use functools.singledispatchmethod to overload the binary arithmetic operator methods of a class called Polynomial. The problem I have ...

Let's say I have the following function, which takes x and y. In my use case, I call the function very often but mainly change y and x only once in ...

My gut says that reduce (from functools import reduce) would deliver what I'm looking for, yet I can't wrap my head around using it here. def test_re ...