gistfile1.txt

def is_pandigital(num):
    num = str(num)
    beg = set(num[0:len(num)])
    end = set(num[-len(num):])
    if beg != end:
        return False

    return beg == set(map(str, range(1, len(num) + 1)))


def calculate_unusuals():
    l = []
    for m in range(2, 9876):
        nbegin = 123 if m > 9 else 1234
        nend = 10000 / m + 1
        for n in range(nbegin, nend):
            prod = n * m
            concatenated = str(n) + str(m) + str(prod)
            if is_pandigital(concatenated):
                l.append(prod)

    print reduce(lambda x, y: x + y, l)

if __name__ == '__main__':
    assert is_pandigital(1234)
    assert is_pandigital(1234)
    assert is_pandigital(321465)
    assert is_pandigital(123456789)
    assert not is_pandigital(11234357)

    calculate_unusuals()