def get_last_character_repeated(s):
ln = len(s)
ch_idx = -1
for i in range(ln):
for j in range (i + 1, ln):
if (s[i] == s[j]):
ch_idx = i;
break
return ch_idx
s = "abcdxypcbadom"
i = get_last_character_repeated(s)
if (i == -1):
print("Not found")
else:
print (s[i])
'''
run:
d
'''