Palindromi

#Palindromi
syote=input("")
a=0
lasku=0
if len(syote)%2==0:
    pituus=len(syote)
    while a<pituus:
        if syote[pituus-1]!=syote[a]:
            lasku+=1
        a+=1
        pituus=pituus-1
    print(lasku)
if len(syote)%2==1:
    pituus=len(syote)
    while a<pituus:
        if syote[pituus-1]!=syote[a]:
            lasku+=1
        a+=1
        pituus=pituus-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