Palindromi

import math
a = input()
b=list(a[math.ceil(len(a)/2):][::-1])
c=list(a[:math.floor(len(a)/2)])
j=0
i=0
while(b!=c):
    if(b[i]!=c[i]):
        b[i]=c[i]
        j+=1
    i+=1
print(j)

Test 1 (public)

Verdict: ACCEPTED

Test 2 (public)

Verdict: ACCEPTED

Test 3 (public)

Verdict: ACCEPTED

Test 4 (public)

Verdict: ACCEPTED

Test 5 (public)

Verdict: ACCEPTED

Test 6 (public)

Verdict: ACCEPTED

Test 7 (public)

Verdict: ACCEPTED

Test 8 (public)

Verdict: ACCEPTED

Test 9 (public)

Verdict: ACCEPTED

Test 10 (public)

Verdict: ACCEPTED