Like I did?

def reverse(n):

m = 0

while n != 0:

    m = 10

    m += n % 10

    n = n // 10

print(m)

return m

def beautifulDays(i, j, k):

a = range(i,j+1)      

return sum([1 for x in a if abs(x-reverse(x)) % k == 0])*