euler/python/e036.py

from lib_misc import is_palindrome


def is_palindrome_binary(n):
    return is_palindrome(str(bin(n)[2:]))


def is_palindrome_decimal(n):
    return is_palindrome(str(n))


def euler_036():
    return sum([i for i in range(1000000)
                if is_palindrome_decimal(i) and is_palindrome_binary(i)])


if __name__ == "__main__":
    print("e036.py: {}".format(euler_036()))
    assert(euler_036() == 872187)