tablica wiek (klucz => wartość):
wiek[Jan] = 7
wiek[Ania] = 13
wiek[Władysław] = 12
wiek[Stefan] = 8
wiek[Maria] = 3
asort():
wiek[Maria] = 3
wiek[Jan] = 7
wiek[Stefan] = 8
wiek[Władysław] = 12
wiek[Ania] = 13
arsort():
wiek[Ania] = 13
wiek[Władysław] = 12
wiek[Stefan] = 8
wiek[Jan] = 7
wiek[Maria] = 3
ksort():
wiek[Ania] = 13
wiek[Jan] = 7
wiek[Maria] = 3
wiek[Stefan] = 8
wiek[Władysław] = 12
krsort():
wiek[Władysław] = 12
wiek[Stefan] = 8
wiek[Maria] = 3
wiek[Jan] = 7
wiek[Ania] = 13