Why *ARGS and **KWARGS are Useful in Python
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- เผยแพร่เมื่อ 13 ต.ค. 2024
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I'm a still newish infrastructure guy, trying to automate as much network functionality as I possibly can.
I don't really know any devs to pick their brain or have them expound on a topic to really cement the concept in my head.
Your videos have helped me tremendously in understanding python in a way that's actionable in my environment. Thank you!
thank you! I'm glad to have helped out in some way
absolute legend. I watched your web scraping video because it appeared on my feed and applies to my job, then I saw this one which was a missing piece of knowledge I had that I couldn't explain in my code. Nice job
Thanks that’s very kind I’m glad it helped you!
Very interesting, now I know better python. I understand that when you use kwargs, it makes difficult for the IDE (Pycharm,...) to check that you are passing a valid header/parameter to the receiving class in edition mode or "compilation mode" before running, creating issues in runtime when you use the wrong entry. Thanks for your great video!
thanks for watching!
Wow, I finally understood those concepts! Awesome content as always, JWR!
Awesome! Thank you!
Great video! It also confirms my distaste of highly overloaded operators where you are guessing at the behavior. But in full disclosure I'm a lowly C programmer ;)
Bro you are doing great job. Learning lot of from y ❤
man, your videos are extremely useful !
Thanks very kind
Him and Python 360 have the best scraping vids on TH-cam right now!
Dataclasses seem so amazing. I wanna start using these instead of the annoying merhods i use with pandas right now
This video does a good job on how, but maybe it could be better on why? I think some time could be spent explaining why you wouldn't just use a list parameter for any function (e.g.) that takes a collection, instead of *args. True, this would effectively enforce the caller performs some list comprehension on whatever is being dealt with, whether it be a tuple, multiple variables, iterable, etc... I think I know the answer -- turning something iterable into a list increases memory requirements and probably processing time from double work -- but it would be nice to be explicitly said; to explain why these syntax tricks add value to python. People coming from other languages, particularly statically typed languages, are probably more comfortable passing collections around, as it's a more straightforward concept. I feel like **kwargs is especially tricky to grok, because of the weird multi-step process of unpacking named arguments, which itself is a quirk specific to python, while then leaving a "remant" kwargs dictionary to operate on.
I’ve been trying for hours to find answers on why I’d ever use *args and **kwargs instead of passing explicit lists and dicts. Every video or forum I’ve found explains HOW *args and **kwargs work, but I understood that from the start. Still stuck on the why :(
Sjoe 10mins to save hours of reading and frustration, great video
Thanks!
@@JohnWatsonRooney equally impressive is that you are a self taught developer, I’m using that as motivation when python seems impossible
This is very random but, you showed up in my recommendation page and I just wanna say that you have an awesome beard I can't not look at it
thanks, I'm going to take that as a compliment
great explanation, really helpful!
Thanks!
Another "brilliant" video from John. Pun intended 😉
One of the best videos on the topic I've seen! Good explanation
A lesson from MrBeast: teach us something about args/kwargs in brilliant. We can't skip the information essential to this topic.
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Thanks so much, it helps
Please make a video how to deploy fastapi script online so other people can use my tool anywhere
There are already many videos on that.
Someday I'll be mature enough not to laugh everytime he says mydict 😖😖
7:15 python joke of they year
;)