1 def all_digits_even(n):

     2     if n < 0: n = -n

     3     while n > 0:

     4         if n % 2 == 1:

     5             return False

     6         n /= 10

     7     return True

     8 

     9 i = 46

    10 while i <= 94:

    11     square = i * i

    12     if all_digits_even(square):

    13         print square

    14     i += 1