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from collections import Counter
def get_duplicates(array):
c = Counter(array)
return [k for k in c if c[k] > 1]
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l=[1,2,3,4,5,2,3,4,7,9,5]
l1=[]
for i in l:
if i not in l1:
l1.append(i)
else:
print(i,end=' ')
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>>> your_list = ['one', 'two', 'one']
>>> len(your_list) != len(set(your_list))
True
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names = ['name1', 'name2', 'name3', 'name2']
set([name for name in names if names.count(name) > 1])
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def find_duplicates(input_list):
seen = set()
duplicates = set()
for x in input_list:
if x in seen:
duplicates.add(x)
seen.add(x)
return duplicates
# Example usage
my_list = [1, 2, 3, 2, 1, 5, 6, 5, 5, 7]
print(find_duplicates(my_list)) # Output will be {1, 2, 5}
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arr = [1,3,6,2,1,6]
for i in range(0, len(arr)):
for j in range(i+1, len(arr)):
if(arr[i] == arr[j]):
print(arr[j]) #output = 1 6
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list= ["a", "a", "b", "c", "d", "e", "f"]
for x in range(0, len(list)-1):
if(list[x]==list[x+1]):
print("Duplicate found!");
print(list)
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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]
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thelist = [1, 2, 3, 4, 4, 5, 5, 6, 1]
print(len(thelist) != len(set(thelist)))