my_list= ['a','a','b'] my_set= set(my_list) my_list=list(my_set)
my_list= ['a','a','b'] new_list=[] for i in my_list: if i not in new_list: new_list.append(i)
my_list= ['a','a','b'] new_list=[]
for i in my_list: if i not in new_list: new_list.append(i)