def same_index_value(list1,list2):
    k = []
    for i in range(0,len(list1)):
        for j in range(0,len(list2)):
            if list1[i] == list2[j]:
                f = list1[i]
                k = k.append(f)
                print(k)
same_index_value(['a','b','c','d'],['c','b','a','d'])