import random
Gamblers=100
Bets=100
Bankrolls=[]
for i in range( Gamblers ) :
    Bankroll = []
    x = -1000
    Bankroll.append(x)
    for j in range( Bets ) :
        CoinToss = random.randint ( 0 , 1 )
        if ( CoinToss == 0 ) : # a  l o s s
            x *= ( 1.55 )
        elif ( CoinToss == 1 ) : # a win
            x *= ( 0.5 )
        Bankroll.append(int(x))
    Bankrolls.append(Bankroll)

for row in Bankrolls:
    for col in range(0,len(row),10):
        print(format(row[col], "7d"),end=', ')
    print()