python has duplicates
def has_duplicates(lst):
return len(lst) != len(set(lst))
x = [1,2,3,4,5,5]
has_duplicates(x) # Truepython has duplicates
def has_duplicates(lst):
return len(lst) != len(set(lst))
x = [1,2,3,4,5,5]
has_duplicates(x) # Truecheck list for duplicate values 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])
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