# Basic syntax:
dict_of_counts = {item:your_list.count(item) for item in your_list}
# Example usage:
your_list = ["a", "b", "a", "c", "c", "a", "c"]
dict_of_counts = {item:your_list.count(item) for item in your_list}
print(dict_of_counts)
--> {'a': 3, 'b': 1, 'c': 3}def has_duplicates(lst):
return len(lst) != len(set(lst))
x = [1,2,3,4,5,5]
has_duplicates(x) # Truel=[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=' ')names = ['name1', 'name2', 'name3', 'name2']
set([name for name in names if names.count(name) > 1])def checkDuplicate(user):
if len(set(user)) < len(user):
return True
return False >>> your_list = ['one', 'two', 'one']
>>> len(your_list) != len(set(your_list))
True