from buss import Buss

def hovedprogram():
    buss = Buss(20)

    for i in range(10):
        buss.plukk_opp()
    
    print(buss.hent_antall_passasjerer())

    for i in range(12):
        buss.plukk_opp()

    print(buss.hent_antall_passasjerer())

    for i in range(18):
        buss.slipp_av()

    print(buss.hent_antall_passasjerer())

    for i in range(3):
        buss.slipp_av()

    print(buss.hent_antall_passasjerer())

hovedprogram()