convert ("10101",2) 10 == "21"
convert ("10ABC",10) 5 == "Ungueltige Eingabe"

convMin3 "221" 10 == "13"
convMin3 "330" 20 == "Ungueltige Eingabe"

containsDuplicates [1,5,3,2,1,5] == True
containsDuplicates [1,5,3,2,4,6] == False

istUngerichtet [[1,0,1],[0,1,1],[1,1,0]] == True
istUngerichtet [[1,0,1,3],[0,1,1],[1,0]] == False