Pakkaus

pakkaus = input("")
purettu = ""
osa = ""
numerot = "1234567890"
kirjaimet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"

def lisaa():
    global purettu, osa
    palat = osa.split(":")
    for i in range (int(palat[0])):
        purettu += palat[1]
    osa = ""

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):
        lisaa()
    osa += merkki

lisaa()

print (purettu)

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: TIME LIMIT EXCEEDED

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 14

Group: 3

Verdict: ACCEPTED

Test 15

Group: 3

Verdict: ACCEPTED