🔒 Help with sorting(and deleting) in dictionary

[foggy plaza]

Is there a way on how I can remove two subjects from the main one? This is probably one of the most basic stuff but I am still very much confused

[steep pendant]

@foggy plaza

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[rancid needle]

You can delete from dictionaries using the del keyword.

[foggy plaza]

That is what I am trying to figure out. Where and how to put it

[rancid needle]

!e

d = { 'a': 1, 'b': 2 }
del d['b']
print(d)

[steep pendant]

:white_check_mark: Your 3.12 eval job has completed with return code 0.

{'a': 1}

[foggy plaza]

I'd have to put the nested keys in there and I have around 10 of them and once I do, it also breaks the whole thing

[hazy vapor]

If you want to delete the whole subdict, no need to empty the nested dict first.

Also, sometimes it's better to re-create a dict with less keys (basically make a copy but with only some keys) than to play with removing the keys.

[foggy plaza]

What I'm trying to create here is a sort of ranking list.

Like:

Science:
Students 1-10

Math:
Students 1-10

History:
Students 1-10

It has to be 10 students and 3 subjects specifically

[rancid needle]

Do you mean you just want to limit what gets printed out when showing the sorted rankings?

[foggy plaza]

Yes

[rancid needle]

You could just map over sd to reformat the data.

Like:

!e

sd = [('Name1', {'History': 10, 'Math': 20}), ('Name2', {'History': 30, 'Math': 40})]
formatted = [f"{name}: {grades['Math']}" for (name, grades) in sd]
print(formatted)

[steep pendant]

:white_check_mark: Your 3.12 eval job has completed with return code 0.

['Name1: 20', 'Name2: 40']

[steep pendant]

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