edges=[(10, 1), (10, 8)]
print edges
for (i,j) in edges:
if i>j:
edges.remove((i,j))
edges.append((j,i))
print edges
ZWRnZXM9WygxMCwgMSksICgxMCwgOCldCgpwcmludCBlZGdlcwoKZm9yIChpLGopIGluIGVkZ2VzOgoJaWYgaT5qOgoJCWVkZ2VzLnJlbW92ZSgoaSxqKSkKCQllZGdlcy5hcHBlbmQoKGosaSkpCgkJCnByaW50IGVkZ2Vz