Removing Duplicates From A List - Try 1

numbers_list = [5, 2, 546, 7, 3, 5, 2, 7, 29, 6, 5, 7]
uniques = []
for number in numbers_list:
    if number in uniques:
        continue
    elif number not in uniques == True:
        uniques.insert(-1, number)
print(uniques)