def chetnyi(spisok): a=[] for i in spisok: if i%2==0: a.append(i) return a def nechetnyi(spisok): a=[] for i in spisok: if i%2!=0: a.append(i) return a spisok1=[1,2,3,4,5,6,7,8,9] user=int(input('Выберите четный(1) или нечетный(2)') ) if user==1: print(chetnyi(spisok1)) elif user==2: print(nechetnyi(spisok1))