Hacky way of breaking out of an inner loop. Definitely better than having a flag and testing it.

gistfile1.txt

class _iloop(Exception):
  pass

try:
  for i in range(2, 10):
    for j in range(2, 10):
      if i == j * j:
        raise _iloop
      print(i, j)
except _iloop:
  pass