Duplicate in list python

Count the duplicates in a list in 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)

How to check if there are duplicates in a list python

>>> your_list = ['one', 'two', 'one']
>>> len(your_list) != len(set(your_list))
True

Duplicate in list python

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]

Source: stackoverflow.com

Similar codes

1 vote176 views1 answer
Debug flask powershel
Python
3 votes208 views1 answer
Clean punctuation from string python
Python
20 votes180 views6 answers
Extract tar
Python
0 vote168 views1 answer
Pil image resize not working
Python
2 votes142 views3 answers
Label encoding a column in python
Python
8 votes189 views1 answer
Count the duplicates in a list in python
Python
2 votes182 views1 answer
Ascii values in python of
Python
4 votes177 views1 answer
'numpy.ndarray' object has no attribute 'append'
Python
10 votes197 views6 answers
How to merge two dictionaries with same keys in python
Python
2 votes178 views2 answers
Python list to string without brackets
Python