Наибольшой палиндром, полученный умножением

for i in range(100, 1000):
    for n in range(100, 1000):
        number = str(n*i)
        if number == number[::-1]:
            palindromic = number        
print(palindromic)

for i in range(999, 99, -1):
    for n in range(i, 99, -1):
        number = str(n*i)
        if number == number[::-1]:
            palindromic = number
            break
            break
print(palindromic)

for r in range(999 * 999, 100 * 100, -1):
    if str(r) == str(r)[::-1]:
        print(r)
        break

palindromic = []
for i in range(999, 99, -1):
    for n in range(i, 99, -1):
        number = str(i * n)
        if number == number[::-1]:
            palindromic.append(int(number))
print(max(palindromic))

palindromic = []
for i in (i for i in range(999, 99, -1) if i % 10 != 0):
    for n in (j for j in range(i, 99, -1) if j % 10 != 0):
        number = str(i * n)
        if number == number[::-1]:
            palindromic.append(int(number))
print(max(palindromic))

palindromic = []
for i in range(999, 99, -1):
    if i % 10 == 0:
        continue
    for n in range(i, 99, -1):
        number = str(i * n)
        if number == number[::-1]:
            palindromic.append(int(number))
print(max(palindromic))