Merkkijono

x = int(input())

k = ["a","b","c","e","f","g","h","i","j","k","l","m","n","o","p","q"]

lista = ["a"]
for n in range(1,x):
    for kohta in range(0,2*(len(lista)+1),2):
        lista.insert(kohta,k[n])

teksti = ""
for kirjain in lista:
    teksti += str(kirjain)

print(teksti)

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: WRONG ANSWER

Test 5

Verdict: WRONG ANSWER

Test 6

Verdict: WRONG ANSWER

Test 7

Verdict: WRONG ANSWER

Test 8

Verdict: WRONG ANSWER

Test 9

Verdict: WRONG ANSWER

Test 10

Verdict: WRONG ANSWER

Test 11

Verdict: WRONG ANSWER

Test 12

Verdict: WRONG ANSWER

Test 13

Verdict: WRONG ANSWER

Test 14

Verdict: WRONG ANSWER

Test 15

Verdict: WRONG ANSWER

Test 16

Verdict: WRONG ANSWER