isalpha鍑芥暟鏄敤鏉ユ鏌ュ瓧绗︿覆涓殑瀛楃鏄惁閮芥槸瀛楁瘝锛屽鏋滄槸鍒欒繑鍥濼rue锛屽惁鍒欒繑鍥濬alse銆傛纭娇鐢╥salpha鍑芥暟杩涜瀛楃涓叉鏌ョ殑鏂规硶濡備笅锛?/p>

1. 棣栧厛瀵煎叆string妯″潡锛岃妯″潡鍖呭惈浜唅salpha鍑芥暟銆?/li>

import string

2. 浣跨敤isalpha鍑芥暟瀵瑰瓧绗︿覆杩涜妫€鏌ワ紝渚嬪锛?/li>

s = "HelloWorld"
if s.isalpha():
    print("All characters are letters")
else:
    print("There are non-letter characters")

杩欐浠ｇ爜浼氳緭鍑?quot;All characters are letters"锛屽洜涓哄瓧绗︿覆s涓殑鎵€鏈夊瓧绗﹂兘鏄瓧姣嶃€?/p>

3. 鍙互缁撳悎寰幆鍜宨salpha鍑芥暟鏉ユ鏌ヤ竴涓瓧绗︿覆涓殑姣忎釜瀛楃鏄惁閮芥槸瀛楁瘝锛屼緥濡傦細

s = "Hello, World!"
all_letters = True
for char in s:
    if not char.isalpha():
        all_letters = False
        break

if all_letters:
    print("All characters are letters")
else:
    print("There are non-letter characters")

杩欐浠ｇ爜浼氳緭鍑?quot;There are non-letter characters"锛屽洜涓哄瓧绗︿覆s涓寘鍚潪瀛楁瘝瀛楃銆?/p>