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 vote320 views1 answer
Cv2 reverse contrast
Python
2 votes307 views1 answer
Fyit download
Python
0 vote309 views1 answer
Networkx select edge
Python
0 vote365 views1 answer
How to make a button open a new window in python
Python
4 votes311 views3 answers
Fibonacci sequence python code
Python
7 votes327 views1 answer
Python marker size
Python
1 vote309 views1 answer
Random forrest plotting feature importance function
Python
1 vote315 views1 answer
Python get address of object
Python
0 vote321 views1 answer
Set_flip_h( false )
Python
0 vote365 views1 answer
Matplotlib boxplot remove outliers
Python