for start_stack, target_stack, result_stack, correct in stacks:
comment = " CORRECT" if correct else ""
start_stack = " ".join([str(x) for x in start_stack])
target_stack = " ".join([str(x) for x in target_stack])
result_stack = " ".join([str(x) for x in result_stack])
logger(
for start_stack, target_stack, result_stack, correct in stacks:
comment = " CORRECT" if correct else ""
start_stack = " ".join([str(x) for x in start_stack])
target_stack = " ".join([str(x) for x in target_stack])
result_stack = " ".join([str(x) for x in result_stack])
logger(