Look, ma, no λ! clear solution for Absolute Sorting by veky - python coding challenges

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Look, ma, no λ! solution in Clear category for Absolute Sorting by veky

checkio = __import__('functools').partial(sorted, key=abs)

Feb. 15, 2023

Comments:

mlahor on Nov. 20, 2023, 9:36 p.m.
ChatGPT-generated explanation: The code snippet you've provided is a Python one-liner that creates a function named checkio. This function sorts a given iterable (like a list) based on the absolute values of its elements. Let's break down this snippet to understand it better: import('functools'): This part of the code uses the built-in function import to import the functools module. Normally, in Python, you would import a module using the import statement, like import functools. However, import is a more primitive form of the import statement, often used when dynamic importation is needed. Here, it is used to import the functools module and make its functions available. functools.partial: Once the functools module is imported, the code accesses the partial function from this module. The functools.partial function is used to create a new version of a function with some of its arguments pre-filled. Essentially, partial takes a function as its first argument and then any number of positional and keyword arguments to pre-fill in the function it is modifying. sorted: This is Python's built-in function used for sorting iterables. It can take a key function as an argument, which dictates the basis on which the sorting is to be done. key=abs: This is the key function being passed to sorted. abs is Python's built-in function to calculate the absolute value of a number. By setting key=abs, the sorting will be done based on the absolute values of the elements in the iterable. So, putting it all together, checkio = import('functools').partial(sorted, key=abs) creates a function checkio that, when called with an iterable, will return a new list sorted based on the absolute values of its elements. This is useful when you want to sort numbers not just by their value, but by their magnitude regardless of their sign (positive or negative). For example, if you have a list [-5, -1, 3, 4] and you apply checkio to this list, the result will be [-1, 3, 4, -5], because the absolute values are [1, 3, 4, 5], and that's the order they are sorted in.

veky on Nov. 21, 2023, 3:11 p.m.
Very good. However, I don't know what CheckiO's policy regarding using ChatGPT is.

StefanPochmann on Feb. 19, 2024, 3:05 a.m.
Next time, ask it to reply in markdown.

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