from random import randrange

trials = 10000
sides = 6

totalrolls = 0        # total number of rolls over all trials
maxrolls = 0          # biggest number of rolls in a single trial

for t in range(trials):

    count = 1         # we will certainly do the first roll
    while randrange(sides) != 0:
        count += 1

    totalrolls += count
    maxrolls = max(count, maxrolls)


print('Average number of rolls', totalrolls/trials)
print('Maximum number of rolls', maxrolls)