l1 = []
l2 = [1, 2, 3, 4, 5]
for var in l2:
    if var not in l1:
        l1.append(var)
        print(l1)

e50ee4c452c295fb3d83950a18f6d0f3e519ddd6
<mask token>

<mask token>
for var in l2:
    if var not in l1:
        l1.append(var)
        print(l1)

l1 = []
l2 = [1, 2, 3, 4, 5]
for var in l2:
    if var not in l1:
        l1.append(var)
        print(l1)
