this is nested list
[['Dell', 2], ['Dell', 2], ['HP', 1], ['Sony', 5], ['Sony', 5], ['Sony', 5], ['Sony', 5], ['Apple', 1], ['Sony', 5], ['Apple', 1]]
Output Should be
[['Dell', 2], ['HP', 1], ['Sony', 5], ['Apple', 1],]
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Hamza Sajjad
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1What have you tried? Show your effort – kuro Apr 18 '20 at 03:38
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Does this answer your question? [Removing duplicates in lists](https://stackoverflow.com/questions/7961363/removing-duplicates-in-lists) – Saurabh P Bhandari Apr 18 '20 at 03:38
3 Answers
1
If the order doesn't matter:
lis = [['Dell', 2], ['Dell', 2], ['HP', 1], ['Sony', 5], ['Sony', 5], ['Sony', 5], ['Sony', 5], ['Apple', 1], ['Sony', 5], ['Apple', 1]]
result = list(map(list, set(map(tuple, lis))))
print(result)
Frank
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Just iterate through you list and add to other list if it is not already added.
data = [['Dell', 2], ['Dell', 2], ['HP', 1], ['Sony', 5], ['Sony', 5], ['Sony', 5], ['Sony', 5], ['Apple', 1], ['Sony', 5], ['Apple', 1]]
new_data = []
for i in data:
if i not in new_data:
new_data.append(i)
print(new_data)
# Output [['Dell', 2], ['HP', 1], ['Sony', 5], ['Apple', 1]]
Prudhvi
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before_remove = [['Dell', 2], ['Dell', 2], ['HP', 1], ['Sony', 5], ['Sony', 5], ['Sony', 5], ['Sony', 5], ['Apple', 1], ['Sony', 5], ['Apple', 1]]
remove_duplicates = list(set(tuple(x) for x in before_remove))
if you want the nested items to be lists instead of tuples,
remove_duplicates = [list(y) for y in list(set(tuple(x) for x in before_remove))]
zetamoon
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