Sample Space of Tossing n Dice

from random import shuffle

def dicetoss(n):
    sides = [str(i) for i in range(1,7)]
    SampleS = [i*n for i in sides]

    if n == 1:
        print(SampleS)

    else:
        L1 = []

        for i in sides:
            for j in range(n):
                L1.append(i)

        while True:
            shuffle(L1)

            event = L1[:n]
            str1 = ""

            for i in event:
                str1 += i
            else:
                if str1 not in SampleS:
                    SampleS.append(str1)
                    str1 = ''

                else:
                    continue

            if len(SampleS) == 6**n:
                break

        SampleS.sort()

        for i in range(1,7):
            for j in SampleS:
                if str(i) == j[0]:
                    print(j, end=", ")
            else:
                print()

dicetoss(3)