/Python/Program to print duplicates from a list of integers in python

Program to print duplicates from a list of integers in python

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

Program to print duplicates from a list of integers in python

lst = [ 3, 6, 9, 12, 3, 30, 15, 9, 45, 36, 12, 12]
dupItems = []
uniqItems = {}
for x in lst:
   if x not in uniqItems:
      uniqItems[x] = 1
   else:
      if uniqItems[x] == 1:
         dupItems.append(x)
      uniqItems[x] += 1
print(dupItems)

Source: tutorialspoint.com

Similar codes

0 vote333 views1 answer
Open tar file pandas
Python
0 vote315 views1 answer
Compute difference of all the combinations of 2 arrays
Python
1 vote313 views2 answers
Flask link style in static
Python Flask
9 votes307 views1 answer
Can only concatenate str (not "int") to str
Python
2 votes310 views1 answer
Get guild from a channel discord py
Python
3 votes399 views1 answer
ModuleNotFoundError: No module named 'django.core.urlresolvers'
Python Django
0 vote316 views1 answer
Optimize images in python using pillow
Python
3 votes302 views1 answer
Pi in python math
Python
0 vote306 views1 answer
Pixmap in python
Python
4 votes315 views1 answer
Flask image
Python Flask