Remove duplicates from sublists, keep the structure

[NurlanAdsk]

There is a list with sublists of elements.
How can I remove duplicates from sublists? The structure should be preserved.
Sample-R2020.dyn (5.6 KB)

[Francois_Labonne]

Hi @NurlanAdsk !
You can refer to this topic :

Unique elements in sublists

hello everyone, i need your help. I have 1 list with few sublists. The content of the sublists overlap a little bit. Now i want to create a new list, with the same sublists but only with unique elements from the whole list. I tried setdifference with various levels, but that didn’t work. Please see my screenshot below. one solution could be: In “0 List” are always only unique elements, so i have to compare “1 List” with “0 list” an delete all elements which are the same to “0 list” from “1 L…

[Kulkul]

Hi @NurlanAdsk

You could remove this way:

[NurlanAdsk]

Thanks guys for quick help

result = []
duplicate_items = []
for nested in IN[0]:
	unique = []
	for item in nested:
		if item not in duplicate_items:
			unique.append(item)
			duplicate_items.append(item)
	result.append(unique)
OUT = result

[THAO]

Hi guys!
now, i’m trying for do some thing like that: I have a list with sublists of elements. I want to remove duplicates in sublists with the structure should be preserved.
How can I do it please?

[jw.vanasselt]

Hi,

Welcome to the forum. Do you mean the structure in the sublist?
Do you want to remove the duplicated values or do you want to replace it with for example a null?