how to check if there are duplicates in a list python
some_list=['a','b','c','b','d','m','n','n']
my_list=sorted(some_list)
duplicates=[]
for i in my_list:
if my_list.count(i)>1:
if i not in duplicates:
duplicates.append(i)
print(duplicates)
4.8
5
>>> your_list = ['one', 'two', 'one']
>>> len(your_list) != len(set(your_list))
True
Thank you!
5
4.8
(5 Votes)
0
4.5
6
a = [1,2,3,2,1,5,6,5,5,5]
import collections
print([item for item, count in collections.Counter(a).items() if count > 1])
## [1, 2, 5]
Thank you!
6
4.5
(6 Votes)
0
4
1
def checkDuplicate(user):
if len(set(user)) < len(user):
return True
return False
Thank you!
1
4
(1 Votes)
0
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