![\"python\u4e2d\u5982\u4f55\u904d\u5386\u5b57\u6bcd\"](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24184034\/a23b8543-6505-41d5-8ecf-96d2002f1d32.webp\")
<\/p>\n<\/p>\n
\u5728Python\u4e2d\u904d\u5386\u5b57\u6bcd\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u5faa\u73af\u7ed3\u6784\u3001\u5b57\u7b26\u4e32\u65b9\u6cd5\u7b49\u3002\u53ef\u4ee5\u901a\u8fc7for\u5faa\u73af\u904d\u5386\u5b57\u7b26\u4e32\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570enumerate\u83b7\u53d6\u7d22\u5f15\u548c\u5b57\u6bcd\u3001\u5229\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u521b\u5efa\u65b0\u7684\u5b57\u6bcd\u5217\u8868\u3001\u4ee5\u53ca\u4f7f\u7528ASCII\u7801\u8303\u56f4\u751f\u6210\u5b57\u6bcd\u5e8f\u5217<\/strong>\u3002\u4e0b\u9762\u5c06\u5bf9\u5176\u4e2d\u4e00\u79cd\u65b9\u6cd5\u8fdb\u884c\u8be6\u7ec6\u63cf\u8ff0\uff1a\u901a\u8fc7for\u5faa\u73af\u904d\u5386\u5b57\u7b26\u4e32\u662f\u6700\u5e38\u89c1\u4e14\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u80fd\u591f\u76f4\u63a5\u8bbf\u95ee\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\uff0c\u5e76\u8fdb\u884c\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u5b9e\u73b0\uff1a<\/p>\n<\/p>\n Python\u4e2d\u7684\u5b57\u7b26\u4e32\u662f\u4e00\u4e2a\u5b57\u7b26\u7684\u6709\u5e8f\u96c6\u5408\uff0c\u53ef\u4ee5\u901a\u8fc7for\u5faa\u73af\u9010\u4e00\u8bbf\u95ee\u6bcf\u4e2a\u5b57\u7b26\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u76f4\u89c2\uff0c\u800c\u4e14\u4e0ePython\u7684\u5176\u4ed6\u96c6\u5408\u7c7b\u578b\uff08\u5982\u5217\u8868\u3001\u5143\u7ec4\uff09\u904d\u5386\u65b9\u5f0f\u4e00\u81f4\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n for letter in word:<\/p>\n print(letter)<\/p>\n <\/code><\/pre>\n<\/p>\n \u4e0a\u9762\u7684\u4ee3\u7801\u5c06\u9010\u4e2a\u6253\u5370\u51fa\u5b57\u7b26\u4e32\u201cexample\u201d\u4e2d\u7684\u6bcf\u4e2a\u5b57\u6bcd\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u5bf9\u5b57\u7b26\u4e32\u4e2d\u7684\u5b57\u7b26\u8fdb\u884c\u5904\u7406\uff0c\u6bd4\u5982\u7edf\u8ba1\u5b57\u7b26\u51fa\u73b0\u7684\u6b21\u6570\u3001\u66ff\u6362\u5b57\u7b26\u7b49\u3002<\/p>\n<\/p>\n \u4f7f\u7528for\u5faa\u73af\u662f\u904d\u5386\u5b57\u7b26\u4e32\u6700\u57fa\u672c\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u9010\u4e00\u8bbf\u95ee\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\uff0c\u5e76\u5bf9\u5176\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<\/p>\n \u57fa\u7840\u904d\u5386<\/strong><\/p>\n<\/p>\n \u5728Python\u4e2d\uff0c\u5b57\u7b26\u4e32\u662f\u4e00\u4e2a\u5b57\u7b26\u5e8f\u5217\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528for\u5faa\u73af\u904d\u5386\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n for char in string:<\/p>\n print(char)<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u6bb5\u4ee3\u7801\u4f1a\u9010\u4e2a\u6253\u5370\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\u3002<\/p>\n<\/p>\n<\/li>\n \u7ed3\u5408\u6761\u4ef6\u5224\u65ad<\/strong><\/p>\n<\/p>\n \u6211\u4eec\u53ef\u4ee5\u7ed3\u5408\u6761\u4ef6\u5224\u65ad\u6765\u7b5b\u9009\u6216\u5904\u7406\u7279\u5b9a\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\u7edf\u8ba1\u5b57\u7b26\u4e32\u4e2d\u67d0\u4e2a\u5b57\u6bcd\u51fa\u73b0\u7684\u6b21\u6570\uff1a<\/p>\n<\/p>\n count = 0<\/p>\n for char in string:<\/p>\n if char == 'l':<\/p>\n count += 1<\/p>\n print("\u5b57\u6bcd'l'\u51fa\u73b0\u4e86", count, "\u6b21")<\/p>\n <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n \u6709\u65f6\u5019\u6211\u4eec\u5728\u904d\u5386\u5b57\u7b26\u4e32\u65f6\uff0c\u4e0d\u4ec5\u9700\u8981\u5b57\u6bcd\u672c\u8eab\uff0c\u8fd8\u9700\u8981\u77e5\u9053\u5b57\u6bcd\u7684\u4f4d\u7f6e\u3002\u8fd9\u65f6\u53ef\u4ee5\u4f7f\u7528enumerate\u51fd\u6570\u3002<\/p>\n<\/p>\n \u57fa\u672c\u7528\u6cd5<\/strong><\/p>\n<\/p>\n enumerate\u53ef\u4ee5\u4e3a\u6211\u4eec\u63d0\u4f9b\u6bcf\u4e2a\u5b57\u7b26\u7684\u7d22\u5f15\u548c\u503c\uff1a<\/p>\n<\/p>\n for index, char in enumerate(string):<\/p>\n print(f"\u7d22\u5f15: {index}, \u5b57\u6bcd: {char}")<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5728\u904d\u5386\u7684\u540c\u65f6\u83b7\u53d6\u6bcf\u4e2a\u5b57\u6bcd\u7684\u7d22\u5f15\u3002<\/p>\n<\/p>\n<\/li>\n \u5728\u7279\u5b9a\u4f4d\u7f6e\u6267\u884c\u64cd\u4f5c<\/strong><\/p>\n<\/p>\n \u5982\u679c\u6211\u4eec\u9700\u8981\u5728\u7279\u5b9a\u4f4d\u7f6e\u6267\u884c\u64cd\u4f5c\uff0cenumerate\u4f1a\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff0c\u5728\u5b57\u7b26\u4e32\u7684\u5947\u6570\u4f4d\u7f6e\u6253\u5370\u5b57\u7b26\uff1a<\/p>\n<\/p>\n for index, char in enumerate(string):<\/p>\n if index % 2 != 0:<\/p>\n print(char)<\/p>\n <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n \u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u751f\u6210\u5217\u8868\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u904d\u5386\u5b57\u7b26\u4e32\u65f6\u6784\u9020\u65b0\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n \u751f\u6210\u5b57\u6bcd\u5217\u8868<\/strong><\/p>\n<\/p>\n \u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5217\u8868\u63a8\u5bfc\u5f0f\u4ece\u4e00\u4e2a\u5b57\u7b26\u4e32\u4e2d\u63d0\u53d6\u5b57\u6bcd\uff0c\u751f\u6210\u65b0\u7684\u5217\u8868\uff1a<\/p>\n<\/p>\n letters = [char for char in string]<\/p>\n print(letters)<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u5c06\u8f93\u51fa\u4e00\u4e2a\u5305\u542b\u5b57\u7b26\u4e32\u4e2d\u6240\u6709\u5b57\u6bcd\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n<\/li>\n \u7ed3\u5408\u6761\u4ef6\u8fc7\u6ee4<\/strong><\/p>\n<\/p>\n \u5217\u8868\u63a8\u5bfc\u5f0f\u540c\u6837\u652f\u6301\u6761\u4ef6\u8fc7\u6ee4\uff0c\u6bd4\u5982\u53ea\u63d0\u53d6\u5143\u97f3\u5b57\u6bcd\uff1a<\/p>\n<\/p>\n vowels = [char for char in string if char in 'aeiou']<\/p>\n print(vowels)<\/p>\n <\/code><\/pre>\n<\/p>\n \u8f93\u51fa\u7ed3\u679c\u5c06\u662f\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u5143\u97f3\u5b57\u6bcd\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n \u9664\u4e86\u76f4\u63a5\u904d\u5386\u5b57\u7b26\u4e32\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7ASCII\u7801\u751f\u6210\u5b57\u6bcd\u5e8f\u5217\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u751f\u6210\u5b57\u6bcd\u8868\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n \u751f\u6210\u5c0f\u5199\u5b57\u6bcd\u8868<\/strong><\/p>\n<\/p>\n \u5229\u7528chr\u51fd\u6570\u548cASCII\u7801\u503c\uff0c\u6211\u4eec\u53ef\u4ee5\u751f\u6210\u5b8c\u6574\u7684\u5c0f\u5199\u5b57\u6bcd\u8868\uff1a<\/p>\n<\/p>\n print(lowercase_letters)<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u5c06\u8f93\u51fa\u4ece'a'\u5230'z'\u7684\u6240\u6709\u5c0f\u5199\u5b57\u6bcd\u3002<\/p>\n<\/p>\n<\/li>\n \u751f\u6210\u5927\u5199\u5b57\u6bcd\u8868<\/strong><\/p>\n<\/p>\n \u540c\u7406\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u751f\u6210\u5927\u5199\u5b57\u6bcd\u8868\uff1a<\/p>\n<\/p>\n print(uppercase_letters)<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u5c06\u8f93\u51fa\u4ece'A'\u5230'Z'\u7684\u6240\u6709\u5927\u5199\u5b57\u6bcd\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n \u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u6587\u672c\u5904\u7406\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u7b5b\u9009\u548c\u5339\u914d\u5b57\u7b26\u4e32\u4e2d\u7684\u7279\u5b9a\u5b57\u7b26\u6216\u6a21\u5f0f\u3002<\/p>\n<\/p>\n \u57fa\u672c\u5339\u914d<\/strong><\/p>\n<\/p>\n \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5757re\u6765\u5339\u914d\u5b57\u7b26\u4e32\u4e2d\u7684\u5b57\u6bcd\uff1a<\/p>\n<\/p>\n string = "Hello, World! 123"<\/p>\n letters = re.findall(r'[a-zA-Z]', string)<\/p>\n print(letters)<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u6bb5\u4ee3\u7801\u5c06\u63d0\u53d6\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u5b57\u6bcd\uff0c\u65e0\u8bba\u5927\u5c0f\u5199\u3002<\/p>\n<\/p>\n<\/li>\n \u5339\u914d\u7279\u5b9a\u5b57\u7b26\u96c6<\/strong><\/p>\n<\/p>\n \u6b63\u5219\u8868\u8fbe\u5f0f\u8fd8\u53ef\u4ee5\u5339\u914d\u7279\u5b9a\u5b57\u7b26\u96c6\uff0c\u4f8b\u5982\u5143\u97f3\u5b57\u6bcd\uff1a<\/p>\n<\/p>\n print(vowels)<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u5c06\u8f93\u51fa\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u5143\u97f3\u5b57\u6bcd\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n Python\u7684\u5b57\u7b26\u4e32\u5bf9\u8c61\u63d0\u4f9b\u4e86\u8bb8\u591a\u5185\u7f6e\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4e0e\u904d\u5386\u7ed3\u5408\u4f7f\u7528\uff0c\u65b9\u4fbf\u5730\u8fdb\u884c\u5b57\u7b26\u4e32\u5904\u7406\u3002<\/p>\n<\/p>\n \u8f6c\u6362\u5927\u5c0f\u5199<\/strong><\/p>\n<\/p>\n \u5728\u904d\u5386\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5\u6765\u8f6c\u6362\u5b57\u6bcd\u7684\u5927\u5c0f\u5199\uff1a<\/p>\n<\/p>\n for char in string:<\/p>\n print(char.lower(), char.upper())<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u6bb5\u4ee3\u7801\u5c06\u6253\u5370\u6bcf\u4e2a\u5b57\u6bcd\u7684\u5c0f\u5199\u548c\u5927\u5199\u5f62\u5f0f\u3002<\/p>\n<\/p>\n<\/li>\n \u5224\u65ad\u5b57\u6bcd\u7c7b\u578b<\/strong><\/p>\n<\/p>\n \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5\u5224\u65ad\u5b57\u7b26\u662f\u5426\u4e3a\u5b57\u6bcd\uff0c\u6216\u8005\u662f\u5426\u4e3a\u5927\u5199\u5b57\u6bcd\uff1a<\/p>\n<\/p>\n for char in string:<\/p>\n if char.isalpha():<\/p>\n print(f"{char} \u662f\u5b57\u6bcd")<\/p>\n if char.isupper():<\/p>\n print(f"{char} \u662f\u5927\u5199\u5b57\u6bcd")<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u4e9b\u65b9\u6cd5\u5728\u8fdb\u884c\u6761\u4ef6\u5904\u7406\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n \u6709\u65f6\u5019\u6211\u4eec\u9700\u8981\u8fdb\u884c\u66f4\u590d\u6742\u7684\u904d\u5386\u548c\u5904\u7406\u64cd\u4f5c\uff0c\u8fd9\u65f6\u53ef\u4ee5\u5b9a\u4e49\u81ea\u5df1\u7684\u51fd\u6570\u6765\u5c01\u88c5\u8fd9\u4e9b\u903b\u8f91\u3002<\/p>\n<\/p>\n \u81ea\u5b9a\u4e49\u51fd\u6570<\/strong><\/p>\n<\/p>\n \u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u6765\u7edf\u8ba1\u5b57\u7b26\u4e32\u4e2d\u6bcf\u4e2a\u5b57\u6bcd\u7684\u51fa\u73b0\u6b21\u6570\uff1a<\/p>\n<\/p>\n counts = {}<\/p>\n for char in string:<\/p>\n if char.isalpha():<\/p>\n if char in counts:<\/p>\n counts[char] += 1<\/p>\n else:<\/p>\n counts[char] = 1<\/p>\n return counts<\/p>\n string = "Hello World"<\/p>\n print(count_letters(string))<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u4e2a\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u5b57\u5178\uff0c\u5305\u542b\u5b57\u7b26\u4e32\u4e2d\u6bcf\u4e2a\u5b57\u6bcd\u7684\u51fa\u73b0\u6b21\u6570\u3002<\/p>\n<\/p>\n<\/li>\n \u8c03\u7528\u51fd\u6570\u8fdb\u884c\u5904\u7406<\/strong><\/p>\n<\/p>\n \u81ea\u5b9a\u4e49\u51fd\u6570\u53ef\u4ee5\u88ab\u91cd\u590d\u4f7f\u7528\uff0c\u5e76\u5728\u4e0d\u540c\u7684\u4e0a\u4e0b\u6587\u4e2d\u8c03\u7528\uff1a<\/p>\n<\/p>\n for s in strings:<\/p>\n print(count_letters(s))<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u6837\u53ef\u4ee5\u65b9\u4fbf\u5730\u5bf9\u591a\u4e2a\u5b57\u7b26\u4e32\u8fdb\u884c\u76f8\u540c\u7684\u5904\u7406\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n Python\u7684\u751f\u6001\u7cfb\u7edf\u4e2d\u6709\u8bb8\u591a\u5f3a\u5927\u7684\u5916\u90e8\u5e93\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8fdb\u884c\u9ad8\u7ea7\u7684\u5b57\u6bcd\u5904\u7406\u548c\u6587\u672c\u5206\u6790\u3002<\/p>\n<\/p>\n \u4f7f\u7528Numpy\u8fdb\u884c\u5411\u91cf\u5316\u64cd\u4f5c<\/strong><\/p>\n<\/p>\n \u5982\u679c\u9700\u8981\u5bf9\u5927\u91cf\u5b57\u7b26\u4e32\u8fdb\u884c\u5904\u7406\uff0cNumpy\u53ef\u4ee5\u63d0\u4f9b\u9ad8\u6548\u7684\u5411\u91cf\u5316\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n strings = np.array(["hello", "world", "numpy"])<\/p>\n lengths = np.vectorize(len)(strings)<\/p>\n print(lengths)<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u6bb5\u4ee3\u7801\u8ba1\u7b97\u4e86\u6bcf\u4e2a\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u3002<\/p>\n<\/p>\n<\/li>\n \u4f7f\u7528Pandas\u8fdb\u884c\u6570\u636e\u5206\u6790<\/strong><\/p>\n<\/p>\n Pandas\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5206\u6790\u548c\u5904\u7406\u5305\u542b\u5b57\u7b26\u4e32\u7684\u6570\u636e\u96c6\uff1a<\/p>\n<\/p>\n data = pd.DataFrame({'text': ["hello", "world", "pandas"]})<\/p>\n data['length'] = data['text'].apply(len)<\/p>\n print(data)<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u5c06\u4e3a\u6bcf\u4e2a\u5b57\u7b26\u4e32\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u957f\u5ea6\u5217\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n \u901a\u8fc7\u4ee5\u4e0a\u591a\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5728Python\u4e2d\u9ad8\u6548\u5730\u904d\u5386\u548c\u5904\u7406\u5b57\u6bcd\uff0c\u6839\u636e\u4e0d\u540c\u7684\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u590d\u6742\u7684\u6587\u672c\u64cd\u4f5c\u3002<\/p>\n<\/p>\n \u5728Python\u4e2d\uff0c\u5982\u4f55\u4f7f\u7528\u5faa\u73af\u904d\u5386\u5b57\u6bcd\u8868\uff1f<\/strong> \u5728Python\u4e2d\uff0c\u5982\u4f55\u5bf9\u5b57\u6bcd\u8fdb\u884c\u6392\u5e8f\u548c\u53bb\u91cd\uff1f<\/strong> \u5982\u4f55\u5728Python\u4e2d\u904d\u5386\u5b57\u6bcd\u5e76\u8fdb\u884c\u7279\u5b9a\u64cd\u4f5c\uff1f<\/strong> \u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5728\u904d\u5386\u5b57\u6bcd\u7684\u8fc7\u7a0b\u4e2d\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u903b\u8f91\u5904\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u904d\u5386\u5b57\u6bcd\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u5faa\u73af\u7ed3\u6784\u3001\u5b57\u7b26\u4e32\u65b9\u6cd5\u7b49\u3002\u53ef\u4ee5\u901a\u8fc7for\u5faa\u73af\u904d\u5386\u5b57\u7b26\u4e32\u3001\u4f7f\u7528\u5185\u7f6e\u51fd […]","protected":false},"author":3,"featured_media":970056,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/970046"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=970046"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/970046\/revisions"}],"predecessor-version":[{"id":970057,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/970046\/revisions\/970057"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/970056"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=970046"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=970046"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=970046"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}word = "example"<\/p>\n\u4e00\u3001\u4f7f\u7528FOR\u5faa\u73af\u904d\u5386\u5b57\u7b26\u4e32<\/h3>\n<\/p>\n
\n
string = "hello"<\/p>\nstring = "hello world"<\/p>\n\u4e8c\u3001\u4f7f\u7528ENUMERATE\u83b7\u53d6\u7d22\u5f15\u548c\u5b57\u6bcd<\/h3>\n<\/p>\n
\n
string = "hello"<\/p>\nstring = "abcdefg"<\/p>\n\u4e09\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u521b\u5efa\u65b0\u7684\u5b57\u6bcd\u5217\u8868<\/h3>\n<\/p>\n
\n
string = "hello"<\/p>\nstring = "hello world"<\/p>\n\u56db\u3001\u4f7f\u7528ASCII\u7801\u8303\u56f4\u751f\u6210\u5b57\u6bcd\u5e8f\u5217<\/h3>\n<\/p>\n
\n
lowercase_letters = [chr(i) for i in range(97, 123)]<\/p>\nuppercase_letters = [chr(i) for i in range(65, 91)]<\/p>\n\u4e94\u3001\u7ed3\u5408\u6b63\u5219\u8868\u8fbe\u5f0f\u7b5b\u9009\u7279\u5b9a\u5b57\u6bcd<\/h3>\n<\/p>\n
\n
import re<\/p>\nvowels = re.findall(r'[aeiouAEIOU]', string)<\/p>\n\u516d\u3001\u7ed3\u5408\u5b57\u7b26\u4e32\u65b9\u6cd5\u8fdb\u884c\u904d\u5386\u548c\u5904\u7406<\/h3>\n<\/p>\n
\n
string = "Hello World"<\/p>\nstring = "Hello123"<\/p>\n\u4e03\u3001\u901a\u8fc7\u81ea\u5b9a\u4e49\u51fd\u6570\u8fdb\u884c\u590d\u6742\u7684\u904d\u5386\u64cd\u4f5c<\/h3>\n<\/p>\n
\n
def count_letters(string):<\/p>\nstrings = ["Hello", "World", "Python"]<\/p>\n\u516b\u3001\u7ed3\u5408\u5916\u90e8\u5e93\u8fdb\u884c\u9ad8\u7ea7\u5b57\u6bcd\u5904\u7406<\/h3>\n<\/p>\n
\n
import numpy as np<\/p>\nimport pandas as pd<\/p>\n\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
\u53ef\u4ee5\u4f7f\u7528for<\/code>\u5faa\u73af\u7ed3\u5408string<\/code>\u6a21\u5757\u4e2d\u7684ascii_lowercase<\/code>\u6216ascii_uppercase<\/code>\u6765\u904d\u5386\u5b57\u6bcd\u8868\u3002\u4f8b\u5982\uff0c\u4f7f\u7528import string<\/code>\u540e\uff0cfor letter in string.ascii_lowercase:<\/code>\u53ef\u4ee5\u904d\u5386\u5c0f\u5199\u5b57\u6bcd\u3002\u8fd9\u4e2a\u65b9\u6cd5\u7b80\u6d01\u660e\u4e86\uff0c\u9002\u5408\u5feb\u901f\u8bbf\u95ee\u5b57\u6bcd\u5e8f\u5217\u3002<\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u96c6\u5408\uff08set\uff09\u6765\u53bb\u91cd\u5b57\u6bcd\uff0c\u7136\u540e\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u5e76\u4f7f\u7528sort()<\/code>\u65b9\u6cd5\u8fdb\u884c\u6392\u5e8f\u3002\u4f8b\u5982\uff0cunique_letters = sorted(set(your_string))<\/code>\u53ef\u4ee5\u5f97\u5230\u4e00\u4e2a\u6709\u5e8f\u7684\u3001\u4e0d\u91cd\u590d\u7684\u5b57\u6bcd\u5217\u8868\u3002\u8fd9\u6837\u5904\u7406\u540e\u7684\u5b57\u6bcd\u5728\u540e\u7eed\u7684\u64cd\u4f5c\u4e2d\u4f1a\u66f4\u6613\u4e8e\u7ba1\u7406\u3002<\/p>\n
\u53ef\u4ee5\u5728\u904d\u5386\u5b57\u6bcd\u7684\u540c\u65f6\u6267\u884c\u7279\u5b9a\u7684\u64cd\u4f5c\uff0c\u6bd4\u5982\u6253\u5370\u6bcf\u4e2a\u5b57\u6bcd\u6216\u8fdb\u884c\u6761\u4ef6\u5224\u65ad\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a <\/p>\nfor letter in string.ascii_lowercase:\n if letter in 'aeiou':\n print(f'{letter} \u662f\u5143\u97f3\u5b57\u6bcd')\n else:\n print(f'{letter} \u662f\u8f85\u97f3\u5b57\u6bcd')\n<\/code><\/pre>\n