a = [6, 5, 4, 3, 2, 1]
k = 1
while k <= 4:
    print(a[0])
    a.pop(0)
    print(a[0])
    k += 1

9d9d826fe04f16f412e3c69d5e4a15ebbf78f3ea
<mask token>

<mask token>
while k <= 4:
    print(a[0])
    a.pop(0)
    print(a[0])
    k += 1

a = [6, 5, 4, 3, 2, 1]
k = 1
while k <= 4:
    print(a[0])
    a.pop(0)
    print(a[0])
    k += 1
