C - Recycled Numbers

recycled.py

from sys import stdin
def rline():
    return stdin.readline().rstrip()

for l in range(int(rline())):
    (n,m) = map(int, rline().split())
    total = 0
    length = len(str(n))
    for k in range(n, m+1):
        s1 = str(k)
        total += len([x for x in set([int(s1[n:]+s1[:n]) for n in range(length)]) if x > k and x <= m])
    print "Case #%s: %s" % (l+1, total)