python remove all same elements from list code example

Example 1: remove all of same value python list

x = [1, 2, 3, 2, 2, 2, 3, 4]
list(filter(lambda a: a != 2, x))

Example 2: 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)