check duplicate python code example
Example 1: python has duplicates
def has_duplicates(lst):
return len(lst) != len(set(lst))
x = [1,2,3,4,5,5]
has_duplicates(x) # True
Example 2: remove duplicates function python
def remove_dupiclates(list_):
new_list = []
for a in list_:
if a not in new_list:
new_list.append(a)
return new_list
Example 3: how to check if there are duplicates in a list python
>>> your_list = ['one', 'two', 'one']
>>> len(your_list) != len(set(your_list))
True
Example 4: python check for duplicate
def checkDuplicate(user):
if len(set(user)) < len(user):
return True
return False