Buggy python submission (verdict: Runtime Error):
A,B= map(int,input().split(" "))
count = 0
x = int(A/10**4)
y = int(A/10**3) - x*10
z = int(A/10**2) - x*10**2 - y*10
N = A
while N <= B:
    while y < 10:
        while z < 10:
                    N = x*(10**4)+y*(10**3)+z*(10**2)+y*(10**1)+x
                    if N > B:
                        break
                    if N == b:
                        count = count + 1
                        break
                    count = count + 1
                    z = z + 1
        z = 0
        y = y + 1
        if N >= B:
            break
    x = x + 1
    y = 0
print(count-1)

Fixed submission:
A,B= map(int,input().split(" "))
count = 0
x = int(A/10**4)
y = int(A/10**3) - x*10
z = int(A/10**2) - x*10**2 - y*10
N = A
while N <= B:
    while y < 10:
        while z < 10:
                    N = x*(10**4)+y*(10**3)+z*(10**2)+y*(10**1)+x
                    if N > B:
                        break
                    if N == B:
                        count = count + 1
                        break
                    if N < A:
                        count = count -1
                    count = count + 1
                    z = z + 1
        z = 0
        y = y + 1
        if N >= B:
            break
    x = x + 1
    y = 0
print(count)

Buggy python submission (verdict: Runtime Error):
A,B= map(int,input().split(" "))
count = 0
x = int(A/10**4)
y = int(A/10**3) - x*10
z = int(A/10**2) - x*10**2 - y*10
N = A 
while N <= B:
    while y < 10:
        while z < 10:
                    N = x*(10**4)+y*(10**3)+z*(10**2)+y(10**1)+x
                    if N >= B:
                        break
                    count = count + 1
                    z = z + 1
        y = y + 1
    x = x + 1
    y = 0
    z = 0
print(count)

Fixed submission:
A,B= map(int,input().split(" "))
count = 0
x = int(A/10**4)
y = int(A/10**3) - x*10
z = int(A/10**2) - x*10**2 - y*10
N = A
while N <= B:
    while y < 10:
        while z < 10:
                    N = x*(10**4)+y*(10**3)+z*(10**2)+y*(10**1)+x
                    if N > B:
                        break
                    if N == B:
                        count = count + 1
                        break
                    if N < A:
                        count = count -1
                    count = count + 1
                    z = z + 1
        z = 0
        y = y + 1
        if N >= B:
            break
    x = x + 1
    y = 0
print(count)

Buggy python submission (verdict: Runtime Error):
A,B= map(int,input().split(" "))
count = 0
x = int(A/10**4)
y = int(A/10**3) - x*10
z = 0
N = A 
while N <= B:
    while y < 10:
        while z < 10:
                    N = x*(10**4)+y*(10**3)+z*(10**2)+y(10**1)+x
                    if N >= B:
                        break
                    count = count + 1
                    z = z + 1
        y = y + 1
    x = x + 1
    y = 0
    z = 0
print(count)

Fixed submission:
A,B= map(int,input().split(" "))
count = 0
x = int(A/10**4)
y = int(A/10**3) - x*10
z = int(A/10**2) - x*10**2 - y*10
N = A
while N <= B:
    while y < 10:
        while z < 10:
                    N = x*(10**4)+y*(10**3)+z*(10**2)+y*(10**1)+x
                    if N > B:
                        break
                    if N == B:
                        count = count + 1
                        break
                    if N < A:
                        count = count -1
                    count = count + 1
                    z = z + 1
        z = 0
        y = y + 1
        if N >= B:
            break
    x = x + 1
    y = 0
print(count)