#tranzakciókat számol
    #egyedi msno
unique_msnos = list(set(trans.msno))
msnos = list(trans['msno'])
msnos.sort()
unique_msnos.sort()
    #nulla oszlop
msno_counts = list(tempdf1.how_many_transaction)
index = 0
index_trans = 0
prev = msnos[0]
    #961431 db egyedi msno van
    #15900660 db tranzakció van
while(index < 961431 and index_trans < 15900660):
    x = msnos[index_trans]
    if x != prev:
        prev = x
        index += 1
    msno_counts[index] += 1
    index_trans += 1