def merge_list_to_dict(a, b):

ziptwolist = zip(a, b)

dictzip = dict(ziptwolist)

return dictzip

spisokv1 = ["kefir", "chifir", "moloko"]

spisokv2 = [100, 120, 80]

zipik = merge_list_to_dict(spisokv1, spisokv2)

print(zipik)

попробуй