qyliang/CodeNanoFix huggingface dataset:
Buggy code:
s=input()
n=len(s)
count=0
a=(n-1)//2
b=(n+3)//2
for i in range(n//2):
  if s[i]!=s[-abs(i+1)]:
    count+=1
    
for i in range(a//2):
  c=ord(s[i])
  d=ord(s[(a-1-i)])
  if c!=d:
    count+=1

for i in range((n-b+1)//2):
  c=ord(s[n-i])
  d=ord(s[b-1+i])
  if c!=d:
    count+=1

if count!=0:
  print('No')
else:
  print('Yes')

Fixed code:
s=input()
n=len(s)
count=0
a=(n-1)//2
b=(n+3)//2
for i in range(n//2):
  if s[i]!=s[-abs(i+1)]:
    count+=1
    
for i in range(a//2):
  c=ord(s[i])
  d=ord(s[(a-1-i)])
  if c!=d:
    count+=1

for i in range((n-b+1)//2):
  c=ord(s[-(i+1)])
  d=ord(s[b-1+i])
  if c!=d:
    count+=1

if count!=0:
  print('No')
else:
  print('Yes')
Buggy code:
S=input()
N=len(S)
c=int((N-1)/2)
a=S[:c]
b=S[::c]
print(a)
print(a[::-1])
print(b)
print(b[::-1])
if a==a[::-1] and b==b[::-1]:
    print('Yes')
else:
    print('No')

Fixed code:
S=input()
N=len(S)
c=int((N-1)/2)
a=S[:c]
b=S[::c]
if a==a[::-1] and b==b[::-1] and S==S[::-1]:
    print('Yes')
else:
    print('No')
Buggy code:
import sys
S = input()
N = len(S)
s = S[::-1]

if S != s:
    print('No')
    sys.exit()

if (S[:(N-1)//2]) != (s[:((N-1)//2)]):
    print('No')
    sys.exit()

if S[((N+3)//2)-1:] != s[((N+3)//2)-1:]:
    print('No')
    sys.exit()

print('Yes')

Fixed code:
import sys
S = input()
N = len(S)
s = S[::-1]

if S != s:
    print('No')
    exit()

if (S[:(N-1)//2]) != (S[:((N-1)//2)][::-1]):
    print('No')
    exit()

if S[((N+3)//2)-1:] != S[((N+3)//2)-1:][::-1]:
    print('No')
    exit()

print('Yes')
Buggy code:
S = input()
N = len(S)

if S = S[::-1]:
  if S[:(n-1)//2] == S [(n+1)//2:]:
    print("Yes")
  else:
    print("No")
else:
  print("No")

Fixed code:
S = input()
N = len(S)

if S == S[::-1]:
  if S[:(N-1)//2] == S [(N+1)//2:]:
    print("Yes")
  else:
    print("No")
else:
  print("No")
Buggy code:
import math
s = input()
n = len(s)
zen_c = 0
z = math.floor((n-1)/2)
k = math.floor((n+2)/2)
zenhan = s[0:z]
kouhan = s[k:n]
zen_l = len(zenhan)-1
count = 0
for i in range(0, n):
  if s[i] == s[n-i-1]:
    count += 1
for i in range(0, math.floor((zen_l+1)/2)):
  if zenhan[i] == zenhan[zen_l-i] and i != (zen_l-i):
    print(zenhan[i])
    zen_c += 1
zen_l = math.floor(zen_l/2)
n = math.floor((n-1)/2)
print('Yes' if zen_c == zen_l and zenhan == kouhan else 'No')

Fixed code:
import math
s = input()
n = len(s)
zen_c = 0
kou_c = 0
z = math.floor((n-1)/2)
k = math.floor((n+2)/2)
zenhan = s[0:z]
kouhan = s[k:n]
zen_l = len(zenhan)-1
for i in range(0, math.floor((zen_l+1)/2)):
  if zenhan[i] == zenhan[zen_l-i] and i != (zen_l-i):
    zen_c += 1
print('Yes' if zen_c == math.floor(z/2) and zenhan == kouhan else 'No')
Buggy code:
S = [i for i in input()]
f = 0
for i in range(len(S)//2):
  if not S[i] == S[-i]:
    f = 1
    print('No')
    break
if f == 0:
  for i in range(int((len(S)-1)/2)):
    if not S[i] == S[int((len(S)-1)/2-i)]:
      f = 1
      print('No')
      break
if f == 0:
  for i in range((len(S)+3)/2, len(S)) and f == 0:
    if not S[i] == S[-i]:
      f = 1
      print('No')
      break
if f ==0:
  print('Yes')

Fixed code:
S = [i for i in input()]
f = 0
for i in range(len(S)//2):
  #print(S[i], S[-1-i])
  if not S[i] == S[-1-i]:
    f = 1
    print('No')
    break
#print(f)
if f == 0:
  s = S[:int((len(S)-1)/2)]
  for i in range(int(len(s)//2)):
    if not s[i] == s[-1-i]:
      f = 1
      print('No')
      break
#print(f)
if f == 0:
  s = S[int((len(S)+3)/2-1):]
  for i in range(int(len(s)//2)):
    #print(s[i], s[-1-i])
    if not s[i] == s[-1-i]:
      f = 1
      print('No')
      break
if f ==0:
  print('Yes')
Buggy code:
# -*- coding: utf-8 -*-
str = input()
s = list(str)
n = len(s)


def is_kaibun(kaibun):
    for i in range(len(kaibun) // 2):
        if kaibun[i] != kaibun[-i - 1]:
            return False
    return True


if is_kaibun(str):
    before = int((n-1)/2)
    later = int((n+3)/2)
    str_before = str[0:before]
    if is_kaibun(str_before):
        str_later = str[int(n/2+1):later]
        if is_kaibun(str_later):
            print("true")


Fixed code:
# -*- coding: utf-8 -*-
str = input()
s = list(str)
n = len(s)


def is_kaibun(kaibun):
    for i in range(len(kaibun) // 2):
        if kaibun[i] != kaibun[-i - 1]:
            return False
    return True


if is_kaibun(str):
    before = int((n - 1) / 2)
    later = int((n + 3) / 2)
    str_before = str[0:before]
    if is_kaibun(str_before):
        str_later = str[int(n / 2 + 1):later]
        if is_kaibun(str_later):
            print("Yes")
        else:
            print("No")
    else:
        print("No")
else:
    print("No")
Buggy code:
c=a[0:int((len(a)-1)/2)]
b=''.join(list(reversed(a)))
d=a[int((len(a)+3)/2)-1:]
 
if a!=b:
  print("No")
elif c!=d:
  print("No")
else:
  print("Yes")

Fixed code:
a=input()
#b=reversed(a)
c=a[0:int((len(a)-1)/2)]
b=''.join(list(reversed(a)))
d=a[int((len(a)+3)/2)-1:]
 
if a!=b:
  print("No")
elif c!=d:
  print("No")
else:
  print("Yes")
Buggy code:
import math

def isPalindrome(s):
    n = len(s)
    flag = True
    for i in range(n):
        if i < math.floor(n/2):
            if s[i] == s[n - i - 1]:
                continue
            else:
                flag = False
    return flag


s = str(input())
n = len(s)
medium = math.floor(n/2)
print(isPalindrome(s))
print(isPalindrome(s[0:medium]))
print(isPalindrome(s[medium+1:n]))
if isPalindrome(s) and isPalindrome(s[0:medium]) and isPalindrome(s[medium+1:n]):
    print('Yes')
else:
    print('No')


Fixed code:
import math

def isPalindrome(s):
    n = len(s)
    flag = True
    for i in range(n):
        if i < math.floor(n/2):
            if s[i] == s[n - i - 1]:
                continue
            else:
                flag = False
    return flag


s = str(input())
n = len(s)
if n < 3:
    print('No')
medium = math.floor(n/2)
if isPalindrome(s) and isPalindrome(s[0:medium]) and isPalindrome(s[medium+1:n]):
    print('Yes')
else:
    print('No')
Buggy code:
import sys
input = sys.stdin.readline
sys.setrecursionlimit(10**6)


############ ---- Input Functions ---- ############
def in_int():
    return (int(input()))


def in_list():
    return (list(map(int, input().split())))


def in_str():
    s = input()
    return (list(s[:len(s) - 1]))


def in_ints():
    return (map(int, input().split()))


ss = in_str()


def check(ss):
    i = 0
    j = len(ss)-1
    while i < j:
        if ss[i] != ss[j]:
            return False

        i+=1
        j-=1

    return True



n = len(ss)

if n%2 == 0:
    print('NO')
else:
    if check(ss) and check(ss[:n//2]):
        print("YES")
    else:
        print('NO')




Fixed code:
import sys
input = sys.stdin.readline
sys.setrecursionlimit(10**6)


############ ---- Input Functions ---- ############
def in_int():
    return (int(input()))


def in_list():
    return (list(map(int, input().split())))


def in_str():
    s = input()
    return (list(s[:len(s) - 1]))


def in_ints():
    return (map(int, input().split()))


ss = in_str()


def check(ss):
    i = 0
    j = len(ss)-1
    while i < j:
        if ss[i] != ss[j]:
            return False

        i+=1
        j-=1

    return True



n = len(ss)

if n%2 == 0:
    print('No')
else:
    if check(ss) and check(ss[:n//2]):
        print("Yes")
    else:
        print('No')
Buggy code:
s = input()
d = len(s)//2
print("Yes" if s[:d] == s[d+1:] "No" else)

Fixed code:
s = input()
d = len(s)//2
print("Yes" if s[:d] == s[d+1:] else "No")
Buggy code:
s = input()

if s != s[::-1]:
  print("No")
  exit()
  
x = s[:((len(s)-1)//2)]
if x != x[::-1]:
  print("No")
  exit()
  
y = s[((len(s)+3)//2-1):]
print(y)
if y != y[::-1]:
  print("No")
  exit()

print("Yes")

Fixed code:
s = input()

if s != s[::-1]:
  print("No")
  exit()
if s[:(len(s)-1)//2] != s[:(len(s)-1)//2][::-1]:
  print("No")
  exit()
if s[(len(s)+3)//2-1:] != s[(len(s)+3)//2-1:][::-1]:
  print("No")
  exit()
  
print("Yes")
Buggy code:
S = input()

flag = 0
for i in range(0, len(S), 1):
	if S[i] != S[len(S)-1-i]:
		flag = 1

for i in range(0, (len(S) + 1) //2, 1):
	if S[i] != S[len(S)-1-i]:
		flag = 1

if flag == 0:
	print("Yes")
else:
	print("No")

Fixed code:
S = input()

flag = 0
for i in range(0, len(S), 1):
	if S[i] != S[len(S)-1-i]:
		flag = 1

for i in range(0, len(S)//2, 1):
	if S[i] != S[len(S)//2-1-i]:
		flag = 1

if flag == 0:
	print("Yes")
else:
	print("No")
Buggy code:
s=list(input())
#s=['l','e','v','e','l']
L=int((len(s)-1)/2)
f1=0
for i in range(L-1):
    if s[0+i]==s[len(s)-i-1]:
        pass
        print('here1')
    else:
        f1+=1
        print('here2')
        
LL=L//2
f2=0
if f1==0:
    for j in range(LL):
        if s[0+j]==s[L-i-1]:
            pass
            print('here3')
        else:
            f2+=1
            print('here4')
else:
    f2=1
if f1==0 and f2==0:
    print('Yes')
else:
    print('No')

Fixed code:
s=list(input())
#s=['l','e','l','v','l','e','l']
L=int((len(s)-1)/2)
f1=0
for i in range(L):
 #   print(s[0+i])
  #  print(s[len(s)-i-1])
    if s[0+i]==s[len(s)-i-1]:
        pass
   #     print('here1')
    else:
        f1+=1
    #    print('here2')

#print(f1)
LL=L//2
f2=0
if f1==0:
    for j in range(LL):
     #   print(s[0+j])
      #  print(s[L-j-1])
        if s[0+j]==s[L-j-1]:
            pass
 #           print('here3')
        else:
            f2+=1
  #          print('here4')
else:
    f2=1

#print(f1)
#print(f2)
if f1==0 and f2==0:
    print('Yes')
else:
    print('No')
Buggy code:
# coding: utf-8
# Your code here!
s = input()
s1 = s[::-1]
l=len(s)
print(l)
check = 0
if(s==s1):
    if(s[0:int((l-1)/2)] == s1[0:int((l-1)/2)]):
        if(s[int((l+3)/2):l] == s[int((l+3)/2):l]):
            print("Yes")
            check =1
if(check ==0):
    print("No")



Fixed code:
# coding: utf-8
# Your code here!
s = input()
s1 = s[::-1]
l=len(s)

check = 0
if(s==s1):
    if(s[0:int((l-1)/2)] == s1[int((l+3)/2)-1:l]):
        if(s[int((l+3)/2)-1:l] == s1[0:int((l-1)/2)]):
            print("Yes")
            check =1
if(check ==0):
    print("No")
Buggy code:

s = input()
n = len(s)
s2 = s[:(n-1)//2]
s3 = s[(n+3)//2-1:]
n2 = len(s2)
n3 = len(s3)
f = True

print(s2)
print(s3)

for i in range(n//2):
#    print(s[i])
#    print(s[n-(i+1)])
    if s[i] != s[n-(i+1)]:
        f = False
        break

for i in range(n2//2):
#    print(s[i])
#    print(s[n-(i+1)])
    if s2[i] != s2[n2-(i+1)]:
        f = False
        break

for i in range(n3//2):
#    print(s[i])
#    print(s[n-(i+1)])
    if s3[i] != s3[n3-(i+1)]:
        f = False
        break




if f:
    print("Yes")
else:
    print("No")


Fixed code:

s = input()
n = len(s)
s2 = s[:(n-1)//2]
s3 = s[(n+3)//2-1:]
n2 = len(s2)
n3 = len(s3)
f = True

for i in range(n//2):
#    print(s[i])
#    print(s[n-(i+1)])
    if s[i] != s[n-(i+1)]:
        f = False
        break

for i in range(n2//2):
#    print(s[i])
#    print(s[n-(i+1)])
    if s2[i] != s2[n2-(i+1)]:
        f = False
        break

for i in range(n3//2):
#    print(s[i])
#    print(s[n-(i+1)])
    if s3[i] != s3[n3-(i+1)]:
        f = False
        break




if f:
    print("Yes")
else:
    print("No")
Buggy code:
s = input()
n = len(s)

a = s == reversed(a)
s1 = s[:(n-1)//2]
b = s1 == reversed(s1)
s2 = s[(n+3)//2 + 1:]
c = s2 == reversed(s2)

print(['No', 'Yes'][a and b and c])

Fixed code:
s = input()
n = len(s)
 
a = s == s[::-1]
s1 = s[:(n-1)//2]
b = s1 == s1[::-1]
s2 = s[(n+3)//2 - 1:]
c = s2 == s2[::-1]
 
print(['No', 'Yes'][a and b and c])
Buggy code:
s = input()
n = len(s)

def isKaibun(s, length):
    flag = True
    for i in range(round((length-1)/2)):
        if s[i] != s[length-1-i]:
            flag = False
            break
    return flag



orta = int((n+1)/2)-1

if isKaibun(s, n) and isKaibun(s[:orta], orta) and isKaibun(s[orta+1:], orta):
    print("Yes")
else:
    print("No")

Fixed code:
s = input()
n = len(s)

def isKaibun(s, length):
    flag = True
    if length == 2:
        counter = 1
    else:
        counter = round((length-1)/2)
    for i in range(counter):
        # print(s[i], s[length - 1 - i])
        if s[i] != s[length-1-i]:
            flag = False
            break
    return flag



orta = int((n+1)/2)-1

if isKaibun(s, n) and isKaibun(s[:orta], orta) and isKaibun(s[orta+1:], orta):
    print("Yes")
else:
    print("No")
Buggy code:
s = input()

ans = 'Yes'

if s != s[::-1]:
  ans = 'No'
  
if s[:(len(s) - 1)//2] != s[(len(s) - 1)//2:]:
  ans = 'No'
  
if s[:(len(s) + 3)//2] != s[(len(s) + 1)//2:]:
  ans = 'No'
  
  
print(ans)

Fixed code:
s = input()

ans = 'Yes'
if s != s[::-1]:
  ans ='No'

tmp = s[:(len(s)- 1) // 2]
if tmp != tmp[::-1]:
  ans = 'No'

tmp = s[(len(s)+3) //2 - 1:]
if tmp != tmp[::-1]:
  ans = 'No'

print(ans)
Buggy code:
S = str(input())

N=len(S)

s1=S[:(N-1)/2]
s2=S[(N+3)/2:]

if s1==s2:
	print("Yes")
else:
	print("No")

Fixed code:
S = str(input())

N=len(S)

s1=S[:int((N-1)/2)]
s2=S[int((N+3)/2-1):]

if S==S[::-1] and s1==s1[::-1] and s2==s2[::-1]:
	print("Yes")
else:
	print("No")
Buggy code:
def check(s):
    if len(s) % 2 == 0:
        L = len(s)//2
        head=s[:L]
        tale=s[L:]
    else:
        L = (len(s)-1)//2
        head = s[:L]
        tale = s[L+1:]
    print(s, head, tale)
    if head == tale[::-1]:
        return True
    return False
s = input()
if not check(s):
    print("No")
elif not check(s[:(len(s)-1)//2]):
    print("No")
elif not check(s[(len(s)+3)//2-1:]):
    print("No")
else:
    print("Yes")

Fixed code:
def check(s):
    if len(s) % 2 == 0:
        L = len(s)//2
        head=s[:L]
        tale=s[L:]
    else:
        L = (len(s)-1)//2
        head = s[:L]
        tale = s[L+1:]
    if head == tale[::-1]:
        return True
    return False
s = input()
if not check(s):
    print("No")
elif not check(s[:(len(s)-1)//2]):
    print("No")
elif not check(s[(len(s)+3)//2-1:]):
    print("No")
else:
    print("Yes")
Buggy code:
s = input()
flg = 0
n = len(s)
s1 = s[0:(n-1)//2]
s2 = s[(n+3)//2-1:]
#print(s1,s2,len(s1)//2-1)
for i in range(1,len(s1)//2-1):
#  print(s1[i-1], s1[-i], s2[i-1], s2[-i])
  if s1[i-1] != s1[-i]:
    flg = 1
    break
  if s2[i-1] != s2[-i]:
    flg = 1
    break 

print("Yes" if flg == 0 else "No")


Fixed code:
s = input()
flg = 0
n = len(s)
s1 = s[0:(n-1)//2]
s2 = s[(n+3)//2-1:]
t1 = s1[::-1]
t2 = s2[::-1]
#print(s1,s2,t1,t2)

for i in range(len(s1)):
  if s1[i] != t1[i] or s2[i] != t2[i]:
    flg = 1
    break
for i in range(n//2):
  if s[i] != s[-(i+1)]:
    flg = 1
    break
 
print("Yes" if flg == 0 else "No")
Buggy code:
S=input()
i=0
kot=[]
for a in S:
    kot.append(a)
tok=list(reversed(kot))

print(tok)
print(kot)
for a in range(len(kot)):
    if kot[a]==tok[a]:
        i=0
    else:
        print("No")
        i=1
        break
if i==0:
    for a in range(int((len(kot)-1)/2)):
        if kot[a]==tok[int((len(kot)-1)/2)-a-1]:
            i=0
        else:
            print("No")
            i=1
            break
print(i)
if i==0:
        for a in range(int((len(kot)-1)/2)):
            if kot[int((len(kot)+3)/2)+a-1]==tok[-a-1]:
                i=0

            else:
                print("No")
                i=1
                break
print(i)
if i==0:
    print("Yes")


Fixed code:
S=input()
i=0
kot=[]
for a in S:
    kot.append(a)
tok=list(reversed(kot))

for a in range(len(kot)):
    if kot[a]==tok[a]:
        i=0
    else:
        print("No")
        i=1
        break
if i==0:
    for a in range(int((len(kot)-1)/2)):
        if kot[a]==tok[int((len(kot)-1)/2)-a-1]:
            i=0
        else:
            print("No")
            i=1
            break

if i==0:
        for a in range(int((len(kot)-1)/2)):
            if kot[int((len(kot)+3)/2)+a-1]==tok[-a-1]:
                i=0

            else:
                print("No")
                i=1
                break

if i==0:
    print("Yes")
Buggy code:
s = input()

n = len(s)
m = []
for i in s:
  m.append(i)

n1 = int((n-1)/2)
n2 = int((n+3)/2)
for i in range(n):
  if m[i] != m[n-1-i]:
    print('No')
    break
  else:
    if m[i] != m[n1-1-i]:
      print('No')
      break
    else:
      if m[n2-1] != m[n-1-i]:
        print('No')
        break
      else:
        print('Yes')


Fixed code:
s = input()

m = []
for i in s:
  m.append(i)
n = len(s)
n1 = int((n-1)/2)
n2 = int((n+3)/2)
ans = 0

for i in range(n1):
  if m[i] != m[n-1-i]:
    print('No')
    break
  else:
    if m[i] != m[n1-1-i]:
      print('No')
      break
    else:
      if m[n2-1+i] != m[n-1-i]:
        print('No')
        break
      else:
        ans += 1
        
if ans == n1:
  print('Yes')
Buggy code:
s=input()
c=list(reversed(s))
n=len(s)
t=list(s[:int((n-1)/2)])
a=list(reversed(t))
u=list(s[int((n+3)/2)-1:])
b=list(reversed(u))
#print(b)
if t==a and u==b and s==c:
    print("Yes")   
else:
    print("No")
    

Fixed code:
s=list(input())
c=list(reversed(s))
n=len(s)
t=list(s[:int((n-1)/2)])
a=list(reversed(t))
u=list(s[int((n+3)/2)-1:])
b=list(reversed(u))
#print(b)
if t==a and u==b and s==c:
    print("Yes")   
else:
    print("No")
Buggy code:

S = input()
N = len(S)

S1 = S[:(N-1)/2]
S2 = S[(N+3)/2:]

print("Yes" if S1 == sorted(S1)[::-1] and S2== sorted(S2)[::-1] else "No")


Fixed code:

S = input()
N = len(S)

S1 = S[:(N-1)//2]
S2 = S[(N+3)//2 - 1:]

print("Yes" if S == S[::-1] and S1 == S1[::-1] and S2== S2[::-1] else "No")
Buggy code:
S = input()
N = len(S)
P = 0
for i in range (N-1//2):
    if S[i] == S[N-1-i]:
        for k in range(N-1//2):
            if S[k] == S[((N-1)//2)-k] and S[((N+1)//2)+k] == S[N-1-k]:
                P = P
            else:
                P += 1
        else:
            P += 1

if P == 0:
    print('Yes')
else:
    print('No')


Fixed code:
S = input()
N = len(S)
P = 0
for i in range ((N-1)//2):
    if S[i] == S[N-1-i]:
        for k in range((N-1)//2):
            if S[k] == S[((N-3)//2)-k] and S[((N+1)//2)+k] == S[N-1-k]:
                P = P
            else:
                P += 1
    else:
        P += 1

if P == 0:
    print('Yes')
else:
    print('No')
Buggy code:
def main():
    S = input()
    N = len(S)

    if check(S[:(N-1)//2]) and check(S[(N+3)//2-1:]):
        print("Yes")
    else:
        print("No")


def check(s):
    print(s)
    for i in range(len(s) // 2):
        c1 = s[i]
        c2 = s[-(i+1)]
        if c1 != c2:
            return False
    return True

main()

Fixed code:
def main():
    S = input()
    N = len(S)

    if check(S) and check(S[:(N-1)//2]) and check(S[(N+3)//2-1:]):
        print("Yes")
    else:
        print("No")


def check(s):
    #print(s)
    for i in range(len(s) // 2):
        c1 = s[i]
        c2 = s[-(i+1)]
        if c1 != c2:
            return False
    return True

main()
Buggy code:
st=input()
n=len(st)
if(st==st[::-1]):
	s1=""
	for i in range((n-1)//2):
		s1+=st[i]
	s2=""
	for i in range((n+3)//2,n):
		s2+=st[i]
	if(s1==s1[::-1] and s2==s2[::-1]):
		print("Yes")
	else:
		print("No")
else:
	print("No")

Fixed code:
st=input()
n=len(st)
if(n%2==0):
	print("No")
	exit(0)
if(st==st[::-1]):
	s1=""
	for i in range((n-1)//2):
		s1+=st[i]
	s2=""
	for i in range((n+3)//2-1,n):
		s2+=st[i]
	if(s1==s1[::-1] and s2==s2[::-1]):
		print("Yes")
	else:
		print("No")
else:
	print("No")
Buggy code:
string=input()
kaibun=list(string)
n=int(len(kaibun))

if kaibun==list(reversed(kaibun)):
  if (list(reversed(kaibun[:int((n-1)/2)]))==kaibun[:int((n-1)/2)]) and (list(reversed(kaibun[int((n+1)/2):]))==kaibun[int((n+1)/2):]):
      print("Yes")
  else:
      print("No")




Fixed code:
string=input()
kaibun=list(string)
n=int(len(kaibun))

if (kaibun==list(reversed(kaibun)))and(list(reversed(kaibun[:int((n-1)/2)]))==kaibun[:int((n-1)/2)]) and (list(reversed(kaibun[int((n+1)/2):]))==kaibun[int((n+1)/2):]):
    print("Yes")
else:
    print("No")
Buggy code:
import sys
s = sys.stdin.readline()
i = 0
l = len(s)
flag = True
while flag:
  if s[i] != s[l-1]:
    flag = False
  i += 1
  l -= 1
l = len(s)
a = s[0:(l-1)/2 - 1]
i = 0
l = len(a)
while flag:
  if a[i] != a[l-1]:
    flag = False
  i += 1
  l -= 1
b = s[(len(s) + 3)/2 - 1: -1]
i = 0
l = len(b)
while flag:
  if b[i] != b[l-1]:
    flag = False
  i += 1
  l -= 1
if flag:
  print('Yes')
else:
  print('No')

Fixed code:
import sys
s = sys.stdin.readline().rstrip()
i = 0
l = len(s)
flag = True
while flag and i <= l:
  if s[i] != s[l-1]:
    flag = False
  i += 1
  l -= 1
l = len(s)
a = s[0:-(-(l-1)//2)]
i = 0
l = len(a)
while flag and i <= l:
  if a[i] != a[l-1]:
    flag = False
  i += 1
  l -= 1
b = s[(len(s) + 3)//2 - 1:]
i = 0
l = len(b)
while flag and i <= l:
  if b[i] != b[l-1]:
    flag = False
  i += 1
  l -= 1
if flag:
  print('Yes')
else:
  print('No')
Buggy code:
S = input()

def Check1(S):
    for i in range((len(S) - 1) // 2):
        if S[i] != S[len(S) - 1 - i]:
            return False
    return True

def Check2(S):
    S2 = ""
    for i in range(0, (len(S) - 1) // 2):
        S2 = S2 + S[i]
    return Check1(S2)

def Check3(S):
    S3 = ""
    for i in range((len(S) + 3) // 2, len(S)):
        S3 = S3 + S[i]
    return Check1(S3)

if Check1(S) and Check2(S) and Check3(S):
    print("Yes")
else:
    print("No")

Fixed code:
S = input()

def Check1(S):
    for i in range(len(S) // 2):
        if S[i] != S[len(S) - 1 - i]:
            return False
    return True

def Check2(S):
    S2 = ""
    for i in range(0, (len(S) - 1) // 2):
        S2 = S2 + S[i]
    return Check1(S2)

def Check3(S):
    S3 = ""
    for i in range((len(S) + 3) // 2 - 1, len(S)):
        S3 = S3 + S[i]
    return Check1(S3)

if Check1(S) and Check2(S) and Check3(S):
    print("Yes")
else:
    print("No")
Buggy code:
def palindrome(string): return 1 if string==string[::-1] else 0

kaibun=input()

N=len(kaibun)
A=kaibun[0:int((N-1)/2)]
B=kaibun[int((N+3)/2-1):int(N)]


if N>=5 & palindrome(A) & palindrome(B):
    print('Yes')
else:
    print('No')

Fixed code:
def palindrome(string): return 1 if string==string[::-1] else 0

kaibun=input()

N=len(kaibun)
A=kaibun[0:int((N-1)/2)]
B=kaibun[int((N+3)/2-1):int(N)]


if palindrome(kaibun) & palindrome(A) & palindrome(B):
    print('Yes')
else:
    print('No')
Buggy code:
s =input()
l = len(s)
s = list(s)
revs=s[::-1]



if s[int((l-1)/2):] == s[:int((l-1)/2)] and s[:int((l+3)/2)] == revs[int((l+3)/2):] and s == revs:
    print('Yes')
else: 
    print('No')


Fixed code:
s =input()
l = len(s)
s = list(s)
revs=s[::-1]



if s[:int((l-1)/2)] == revs[-int((l-1)/2):] and s[int((l+2)/2):] == revs[:-int((l+2)/2)] and s == revs:
    print('Yes')
else: 
    print('No')
Buggy code:
s = input()

s1 = s[:int((len(s))/2)]
s2 = s[int((len(s)+3)/2)-1:]

print(s1)
print(s2)
if s[::] == s[::-1] and s1 == s1[::-1] and s2 == s2[::-1]:
    print("Yes")
else:
	print("No")

Fixed code:
s = input()

s1 = s[:int((len(s))/2)]
s2 = s[int((len(s)+3)/2)-1:]

if s[::] == s[::-1] and s1 == s1[::-1] and s2 == s2[::-1]:
    print("Yes")
else:
	print("No")
Buggy code:
a= str(input())
kaibun = list(a)
n = int(len(kaibun))
answer = "No"
strongn1 = int((n-1)/2)
strongn2 = int((n+3)/2)
for i in reversed(range((int((n+1)/2)),n)):
    if kaibun[i] == kaibun[n-i-1]:
        answer = "Yes"
    else:
        answer = "No"
print("aaa")
if answer == "Yes":
    for i in range(int(strongn1/2)):
        if kaibun[i] == kaibun[strongn1-i-1]:
            answer = "Yes"
        else:
            answer="No"
if answer =="Yes":
    for i in reversed(range(strongn2+int(strongn1/2),n)):
        if kaibun[i] == kaibun[strongn2-2-i+n]:
            answer = "Yes"
        else:
            answer = "No"
print(answer)


Fixed code:
a= str(input())
kaibun = list(a)
n = int(len(kaibun))
answer = "No"
strongn1 = int((n-1)/2)
strongn2 = int((n+3)/2)
for i in reversed(range((int((n+1)/2)),n)):
    if kaibun[i] == kaibun[n-i-1]:
        answer = "Yes"
    else:
        answer = "No"
        break

if answer == "Yes":
    for i in range(int(strongn1/2)):

        if kaibun[i] == kaibun[strongn1-i-1]:
            answer = "Yes"
        else:
            answer="No"
            break
if answer == "Yes":
    for i in reversed(range(strongn2+int(strongn1/2)-1,n)):
        if kaibun[i] == kaibun[strongn2-2-i+n]:
            answer = "Yes"
        else:
            answer = "No"
            break
print(answer)