deleting duplicates in list python

1mylist = ["a", "b", "b", "c", "a"]
2mylist = sorted(set(mylist))
3print(mylist)

1
2  mylist = ["a", "b", "a", "c", "c"]
3mylist = list(dict.fromkeys(mylist))
4
5  print(mylist) 

1mylist = ["a", "b", "a", "c", "c"]
2mylist = list(dict.fromkeys(mylist))

1word = input().split()
2
3for i in word:
4  if word.count(i) > 1:
5    word.remove(i)
6

1>>> list(dict.fromkeys('abracadabra'))
2['a', 'b', 'r', 'c', 'd']
3