SWI-Prolog, 54 bytes
Code
assert(d(E,F):-(print(E),print(F))). d(123456,123456).
Original Output
true.
123456123456
true.
Changed output
true.
false.
3 of 4
replaced http://codegolf.stackexchange.com/ with https://codegolf.stackexchange.com/
Fatalize
- 39.3k
- 5
- 70
- 162