def printSolution(day, part, solution, test=None, test_case=0):
    if test is not None:
        print(
            "(TEST case%d/day%d/part%d) -- got '%s' -- expected '%s' -> %s"
            % (test_case, day, part, solution, test, "correct" if test == solution else "WRONG")
        )
    else:
        print("Solution to day %s, part %s: %s" % (day, part, solution))