Palindromi

x=input()
t=[]
y=len(x)
lasku=0

for i in range(0, y):
    t.append(x[i])


if y!=0:
    for i in range(0, y//2):
        if t[i]==t[y-i-1]:
            continue
        else:
            t[i]=t[y-i-1]
            lasku+=1

print(lasku)


    

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