python list drop duplicates code example

Example 1: python remove duplicates from list

mylist = ["a", "b", "b", "c", "a"]
mylist = sorted(set(mylist))
print(mylist)

Example 2: python remove duplicates from list

# remove duplicate from given_list using list comprehension
res = []
[res.append(x) for x in given_list if x not in res]

Example 3: remove duplicates python

mylist = ["a", "b", "a", "c", "c"]
mylist = list(dict.fromkeys(mylist))

Example 4: remove duplicates from a list of lists python

k = [[1, 2], [4], [5, 6, 2], [1, 2], [3], [4]]
new_k = []
for elem in k:
    if elem not in new_k:
        new_k.append(elem)
k = new_k
print k
# prints [[1, 2], [4], [5, 6, 2], [3]]