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

9 votes280 views3 answers
Python 2.7 datetime to timestamp
Python
0 vote272 views1 answer
Flask echo server
Python
1 vote280 views1 answer
Selenium scroll element into view inside overflow python
Python
0 vote273 views1 answer
Reading Custom Delimited
Python
4 votes267 views1 answer
Skip to next iteration in for loop python
Python
1 vote262 views1 answer
Delete an element by value from a list if it made of white spaces python
Python
1 vote265 views2 answers
Python easter egg
Python
7 votes264 views3 answers
Python encoding utf 8
Python
1 vote271 views1 answer
How to equal two arrays in python with out linking them
Python
1 vote279 views1 answer
Python making player inventory
Python