def solve():
r = range(100, 1000)
return max(i * j for i in r for j in r if is_palindrome(i * j))
def is_lychrel(n):
for i in range(50):
n += int(str(n)[::-1])
if is_palindrome(n):
return False
return True
def solve():
r = range(100, 1000)
return max(i * j for i in r for j in r if is_palindrome(i * j))
def generate_palindromes():
return (n for n in range(1000000)
if is_palindrome(n)
if is_palindrome(bin(n)[2:]))
def generate_palindromes():
return (n for n in range(1000000) if is_palindrome(n)
if is_palindrome(bin(n)[2:]))
