aima/utils.py
def printf(format, *args):
    """Format args with the first argument as format string, and write.
    Return the last arg, or format itself if there are no args."""
    sys.stdout.write(str(format) % args)
    return if_(args, lambda: args[-1], lambda: format)
def printf(format, *args):
    """Format args with the first argument as format string, and write.
    Return the last arg, or format itself if there are no args."""
    sys.stdout.write(str(format) % args)
    return if_(args, lambda: args[-1], lambda: format)
Format args with the first argument as format string, and write.
    Return the last arg, or format itself if there are no args.