Python Dictionary Tip!! #python #coding #programming

This video shows how to use the get method in Python to access dictionaries and return a default value.

Background Music:
Creative Commons / Attribution 4.0 International (CC BY 4.0)

[theminecommander]

This is one of the ones that I think I'll actually be using! Thank you!

[Josue_Estrada]

Every short I find I put it in a good-to-know list. Great info!!

[limm]

these python tips actually useful. I haven't use python for my projects, but I know it's useful. Unlike some other youtubers that gave people tips but not useful at all or tips that most people actually have know about

[jumper]

My favorite way to use this is to return an empty dictionary for the default value. This way you can traverse huge nested dictionaries really easily. For instance, a school curriculum with Course, Section, Class Number that contains a list of required textbooks:

books = curriculum.get("DDSN", {}).get("101", {}).get("001", [])

This returns a list whether or not the class "DDSN 101-001" exists. With much more complex dictionaries this can be incredibly useful.

[znskrcg]

Thank you you told me the difference between x.get() and x[i]

[Budgie-vi]

This is helpful as there are examples 🎉

[torshepherd]

If you want that default to be inserted into the dictionary instead, you could use a defaultdict

[laxlyfters]

This is amazing for getting values in fetch request and accounting for empty values. In the pokemon api there are some pokemon that have many types and I was unable to render both types since I would get an error if the second type value was empty now I can assign it an empty string

[MyManJohnny]

Better practise to my knowledge would be having a Players class that wraps all the relevant information, and then just a list of classes.
Another option would also be importing defaultdict.

[mvreddy]

Hey, @b001 can you make a video on how to setup vs code for python?

[xxnotmuchxx]

The future of coding is here. Every time u type code a meme pop out.

[NUHUH]

Do you think this is a better method or an if statement where you would say: if “level” in p.keys():
lvl = p[‘level’]
else:
lvl = 0

I like the one liner of the get method, but is there a reason to use one over the other?

[abtuly]

I am not into python but this should serve the same purpose with more readability :
lvl = p['level'] or 0

[aggi]

Or simply do if 'level' in p.keys()

[kritonios]

Nice! What theme do you use in VSCode?

[alext]

Working with non strict data types. Tisk tisk

[CrateSauce]

Couldnt you just make the line p['level'] or 0? Does .get() do something special?

[pantanlp]

every player gets a default value assigned cause you normally cant afford having a messy database

[elliotphoenix]

Can't python ignore KeyError if you use 'or' keyword?

Is this work in Python?:
level = player['level'] or 0

Becuse you can do this in php with nullsafe (??):
$level = $player['level'] ?? 0;

Or JS with 'or' operator:
let level= player['level'] || 0

[louistiches]

Lol, lose with the word database. A list of variable names that are dicts.