Pakkaus

def osatListaan():
    pakkaus = input("")
    osat = []
    osa = ""
    numerot = "1234567890"
    kirjaimet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
    append = osat.append
    for i in range (len(pakkaus)):
        merkki = pakkaus[i]
        if ":" not in osa and merkki in kirjaimet:
            osa += ":"
        if merkki in numerot and len(osa) != 0 and osa[len(osa) - 1] in kirjaimet:
            append(osa)
            osa = ""
        osa += merkki
    append(osa)

    return osat

def tulosta(osat):
    sanaosat = []
    append = sanaosat.append

    for osa in osat:
        palat = osa.split(":")
        for i in range (int(palat[0])):
            append(palat[1])

    purettu = "".join(sanaosat)

    print (purettu)

osat = osatListaan()
tulosta(osat)

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED

Test 10

Group: 2

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: ACCEPTED

Test 12

Group: 3

Verdict: ACCEPTED

Test 13

Group: 3

Verdict: ACCEPTED

Test 14

Group: 3

Verdict: ACCEPTED

Test 15

Group: 3

Verdict: ACCEPTED