What is wrong?

Answer 1

letters = input()

for i in letters:
n = letters.count(i)
if n > 1:
print("Deja Vu")

if n ==1:
print("Unique")

Answer 2

what do you want to do?

Answer 3

Test 2 is not going

Answer 4

try this:

letters = input()
n = 0
for i in letters:
n = letters.count(i)
if n > 1:
print("Deja Vu")
break

if n ==1:
print("Unique")