lower()鍑芥暟鏄疨ython涓殑瀛楃涓叉柟娉曪紝瀹冨彲浠ュ皢瀛楃涓蹭腑鐨勬墍鏈夊ぇ鍐欏瓧姣嶈浆鎹负灏忓啓瀛楁瘝銆傚叾璇硶濡備笅锛?/p>

string.lower()

鍏朵腑锛宻tring鏄杞崲鐨勫瓧绗︿覆銆備笅闈㈡槸涓€涓畝鍗曠殑渚嬪瓙锛?/p>

s = "Hello, World!"
print(s.lower())  # 杈撳嚭锛歨ello, world!

鍦ㄤ笂闈㈢殑渚嬪瓙涓紝鎴戜滑灏嗗瓧绗︿覆s涓殑鎵€鏈夊ぇ鍐欏瓧姣嶈浆鎹㈡垚浜嗗皬鍐欏瓧姣嶏紝骞惰緭鍑轰簡缁撴灉銆?/p>