python remove duplicates from list using dict code example

Example 1: python remove repeated elements from list

# ----- Create a list with no repeating elements ------ #

mylist = [67, 7, 89, 7, 2, 7]
newlist = []

  for i in mylist: 
    if i not in newlist: 
        newlist.append(i)

Example 2: python remove duplicates from list of dict

# set the dict to a tuple for hashability, then use {} for set literal and retrn each item to dict. 
[dict(t) for t in {tuple(d.items()) for d in l}]
# using two maps()
list(map(lambda t: dict(t), set(list(map(lambda d: tuple(d.items()), l)))))