Buggy python submission (verdict: Runtime Error):
n = int(input())
a = list(map(int, input().split()))
aa = 0

for i in range(N):
    aa = aa ^ a[i]
    
if aa == 0:
  print("Yes")
else:
  print("No")

Fixed submission:
n = int(input())
a = list(map(int, input().split()))
aa = 0

for i in range(n):
  aa = aa ^ a[i]

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

Buggy python submission (verdict: Time Limit Exceeded):
import itertools
def permutations(iterable, r=None):
    pool = tuple(iterable)
    n = len(pool)
    ff = False
    r = n if r is None else r
    for indices in itertools.product(range(n), repeat=r):
        if len(set(indices)) == r:
            p = tuple(pool[i] for i in indices)
            for i in range(0, n):
                if i == 0:
                    ff = checkXOR(p[n-1],p[i],p[i+1])
                elif i == n-1:
                    ff = checkXOR(p[i-1],p[i],p[0])
                else:
                    ff = checkXOR(p[i-1],p[i],p[i+1])
                if ff:
                    break
        if ff:
            break
    return ff

def checkXOR(a, b, c):
    if bin(b) == bin(a ^ c):
        return False
    else:
        return True
    
n = int(input())
a = list(map(int, input().split()))
ff = permutations(a)
    
if ff:
    print("No")
else:
    print("Yes")

Fixed submission:
n = int(input())
a = list(map(int, input().split()))
aa = 0

for i in range(n):
  aa = aa ^ a[i]

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

Buggy python submission (verdict: Time Limit Exceeded):
import itertools
def permutations_with_XOR(iterable, r=None):
    pool = tuple(iterable)
    n = len(pool)
    ff = False
    r = n if r is None else r
    for indices in itertools.product(range(n), repeat=r):
        if len(set(indices)) == r:
            p = tuple(pool[i] for i in indices)
            for i in range(0, n):
                if i == 0:
                    ff = checkXOR(p[n-1],p[i],p[i+1])
                elif i == n-1:
                    ff = checkXOR(p[i-1],p[i],p[0])
                else:
                    ff = checkXOR(p[i-1],p[i],p[i+1])
                if ff:
                    break
    return ff

def checkXOR(a, b, c):
    if bin(b) == bin(a ^ c):
        return False
    else:
        return True
    
n = int(input())
a = list(map(int, input().split()))
    
if permutations_with_XOR(a):
    print("No")
else:
    print("Yes")

Fixed submission:
n = int(input())
a = list(map(int, input().split()))
aa = 0

for i in range(n):
  aa = aa ^ a[i]

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

Buggy python submission (verdict: Time Limit Exceeded):
import itertools

def checkXOR(a, b, c):
  if bin(b) == bin(a ^ c):
    return False
  else:
    return True
    
n = int(input())
a = list(map(int, input().split()))
ff = False
for p in list(itertools.permutations(a)):
  for i in range(0, n):
    if i == 0:
      ff = checkXOR(p[n-1],p[i],p[i+1])
    elif i == n-1:
      ff = checkXOR(p[i-1],p[i],p[0])
    else:
      ff = checkXOR(p[i-1],p[i],p[i+1])
    if ff:
      break
  if ff:
    break

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

Fixed submission:
n = int(input())
a = list(map(int, input().split()))
aa = 0

for i in range(n):
  aa = aa ^ a[i]

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

Buggy python submission (verdict: Time Limit Exceeded):
import itertools

def checkXOR(a, b, c):
  if bin(b) == bin(a ^ c):
    return False
  else:
    return True
    
n = int(input())
a = list(map(int, input().split()))
#print(n, a)
all = list(itertools.permutations(a))
ff = False
for p in range(0, len(all)):
  for i in range(0, n):
    if i == 0:
      ff = checkXOR(all[p][n-1],all[p][i],all[p][i+1])
    elif i == n-1:
      ff = checkXOR(all[p][i-1],all[p][i],all[p][0])
    else:
      ff = checkXOR(all[p][i-1],all[p][i],all[p][i+1])
    if ff:
      break
  if ff:
    break

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

Fixed submission:
n = int(input())
a = list(map(int, input().split()))
aa = 0

for i in range(n):
  aa = aa ^ a[i]

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