PYTHON
python has duplicates
def has_duplicates(lst):
return len(lst) != len(set(lst))
x = [1,2,3,4,5,5]
has_duplicates(x) # True
how to find duplicate numbers in list in python
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=' ')
python check for duplicate
def checkDuplicate(user):
if len(set(user)) < len(user):
return True
return False
find duplicates in python list
names = ['name1', 'name2', 'name3', 'name2']
set([name for name in names if names.count(name) > 1])
how to check if there are duplicates in a list python
>>> your_list = ['one', 'two', 'one']
>>> len(your_list) != len(set(your_list))
True
python efficiently find duplicates in list
from collections import Counter
def get_duplicates(array):
c = Counter(array)
return [k for k in c if c[k] > 1]
Check if there are duplicates in list
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)
check 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])
## [1, 2, 5]
how to check the duplicate item in list
thelist = [1, 2, 3, 4, 4, 5, 5, 6, 1]
print(len(thelist) != len(set(thelist)))