langchain/input.py/print_text
def print_text(text: str, color: Optional[str] = None, end: str = "") -> None:
    """Print text with highlighting and no end characters."""
    if color is None:
        text_to_print = text
    else:
        text_to_print = get_colored_text(text, color)
    print(text_to_print, end=end)