{"id":1048563,"date":"2024-12-31T13:52:18","date_gmt":"2024-12-31T05:52:18","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1048563.html"},"modified":"2024-12-31T13:52:22","modified_gmt":"2024-12-31T05:52:22","slug":"python%e5%a6%82%e4%bd%95%e5%b0%86%e5%ad%97%e6%af%8d%e8%bd%ac%e6%8d%a2%e4%b8%ba%e6%95%b0%e5%ad%97","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1048563.html","title":{"rendered":"python\u5982\u4f55\u5c06\u5b57\u6bcd\u8f6c\u6362\u4e3a\u6570\u5b57"},"content":{"rendered":"

\"python\u5982\u4f55\u5c06\u5b57\u6bcd\u8f6c\u6362\u4e3a\u6570\u5b57\"<\/p>\n

\u5728Python\u4e2d\uff0c\u5c06\u5b57\u6bcd\u8f6c\u6362\u4e3a\u6570\u5b57\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\uff0c\u5982\u4f7f\u7528ASCII\u7801\u3001\u5b57\u5178\u6620\u5c04\u3001enumerate\u51fd\u6570\u7b49\u3002\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u901a\u8fc7ASCII\u7801\u8f6c\u6362\u3001\u4f7f\u7528\u5b57\u5178\u6620\u5c04\u4ee5\u53ca\u4f7f\u7528enumerate\u51fd\u6570\u3002<\/strong> \u4e0b\u9762\u662f\u5bf9\u4f7f\u7528ASCII\u7801\u8f6c\u6362\u7684\u8be6\u7ec6\u63cf\u8ff0\uff1a<\/p>\n<\/p>\n

\u4f7f\u7528ASCII\u7801\u8f6c\u6362<\/strong>\uff1aPython\u5185\u7f6e\u51fd\u6570ord()\u53ef\u4ee5\u5c06\u5b57\u6bcd\u8f6c\u6362\u4e3a\u5bf9\u5e94\u7684ASCII\u7801\uff0c\u800cchr()\u5219\u53ef\u4ee5\u5c06ASCII\u7801\u8f6c\u6362\u56de\u5b57\u6bcd\u3002\u4f8b\u5982\uff0cord('A')\u8fd4\u56de65\uff0cchr(65)\u8fd4\u56de'A'\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u5b57\u6bcd\u8f6c\u6362\u4e3a\u6570\u5b57\uff0c\u5e76\u4e14\u53ef\u4ee5\u8fdb\u884c\u76f8\u5e94\u7684\u8fd0\u7b97\u548c\u64cd\u4f5c\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528ASCII\u7801\u8f6c\u6362<\/h3>\n<\/p>\n

\u4f7f\u7528ASCII\u7801\u662f\u5c06\u5b57\u6bcd\u8f6c\u6362\u4e3a\u6570\u5b57\u6700\u57fa\u7840\u548c\u76f4\u63a5\u7684\u65b9\u6cd5\u3002\u6bcf\u4e2a\u5b57\u6bcd\u5728\u8ba1\u7b97\u673a\u4e2d\u90fd\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684ASCII\u7801\u503c\u3002\u901a\u8fc7\u5185\u7f6e\u51fd\u6570ord()\u548cchr()\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u5b57\u6bcd\u4e0e\u6570\u5b57\u4e4b\u95f4\u7684\u8f6c\u6362\u3002<\/p>\n<\/p>\n

1\u3001\u57fa\u672c\u539f\u7406\u4e0e\u793a\u4f8b<\/h4>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u5185\u7f6e\u7684ord()\u51fd\u6570\u53ef\u4ee5\u5c06\u4e00\u4e2a\u5b57\u7b26\u8f6c\u6362\u4e3a\u5bf9\u5e94\u7684ASCII\u7801\u503c\uff0c\u800cchr()\u51fd\u6570\u53ef\u4ee5\u5c06ASCII\u7801\u503c\u8f6c\u6362\u56de\u5b57\u7b26\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

# \u5c06\u5b57\u6bcd\u8f6c\u6362\u4e3a\u6570\u5b57<\/p>\n
print(ord('A'))  # \u8f93\u51fa\uff1a65<\/p>\n
print(ord('a'))  # \u8f93\u51fa\uff1a97<\/p>\n
\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u6bcd<\/strong><\/h2>\n
print(chr(65))  # \u8f93\u51fa\uff1aA<\/p>\n
print(chr(97))  # \u8f93\u51fa\uff1aa<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5b57\u6bcd\u8f6c\u6362\u4e3a\u5bf9\u5e94\u7684\u6570\u5b57\uff0c\u5e76\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
2\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6269\u5c55<\/h4>\n<\/p>\n
\u4f7f\u7528ASCII\u7801\u8f6c\u6362\u7684\u65b9\u6cd5\u9002\u7528\u4e8e\u5404\u79cd\u573a\u666f\uff0c\u5982\u52a0\u5bc6\u89e3\u5bc6\u3001\u5b57\u7b26\u7f16\u7801\u8f6c\u6362\u7b49\u3002\u4f8b\u5982\uff0c\u51ef\u6492\u5bc6\u7801\u5c31\u662f\u4e00\u79cd\u7b80\u5355\u7684\u52a0\u5bc6\u7b97\u6cd5\uff0c\u901a\u8fc7\u5c06\u5b57\u6bcd\u7684ASCII\u7801\u503c\u8fdb\u884c\u504f\u79fb\u6765\u5b9e\u73b0\u52a0\u5bc6\u3002<\/p>\n<\/p>\n
def caesar_cipher(text, shift):<\/p>\n
    result = ""<\/p>\n
    for char in text:<\/p>\n
        if char.isalpha():<\/p>\n
            shift_base = 65 if char.isupper() else 97<\/p>\n
            result += chr((ord(char) - shift_base + shift) % 26 + shift_base)<\/p>\n
        else:<\/p>\n
            result += char<\/p>\n
    return result<\/p>\n
\u793a\u4f8b<\/strong><\/h2>\n
original_text = "Hello, World!"<\/p>\n
shifted_text = caesar_cipher(original_text, 3)<\/p>\n
print(shifted_text)  # \u8f93\u51fa\uff1aKhoor, Zruog!<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u5b57\u5178\u6620\u5c04<\/h3>\n<\/p>\n
\u53e6\u4e00\u79cd\u5c06\u5b57\u6bcd\u8f6c\u6362\u4e3a\u6570\u5b57\u7684\u65b9\u6cd5\u662f\u901a\u8fc7\u5b57\u5178\u6620\u5c04\u3002\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5b57\u5178\uff0c\u5c06\u6bcf\u4e2a\u5b57\u6bcd\u6620\u5c04\u5230\u4e00\u4e2a\u5bf9\u5e94\u7684\u6570\u5b57\u3002<\/p>\n<\/p>\n
1\u3001\u521b\u5efa\u5b57\u5178\u4e0e\u793a\u4f8b<\/h4>\n<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u5b57\u5178\uff0c\u5c06\u5b57\u6bcd\u6620\u5c04\u5230\u5bf9\u5e94\u7684\u6570\u5b57\uff1a<\/p>\n<\/p>\n
# \u521b\u5efa\u5b57\u6bcd\u5230\u6570\u5b57\u7684\u6620\u5c04\u5b57\u5178<\/p>\n
letter_to_number = {chr(i): i - 64 for i in range(65, 91)}<\/p>\n
\u793a\u4f8b<\/strong><\/h2>\n
print(letter_to_number['A'])  # \u8f93\u51fa\uff1a1<\/p>\n
print(letter_to_number['Z'])  # \u8f93\u51fa\uff1a26<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u5feb\u901f\u5730\u5c06\u5b57\u6bcd\u8f6c\u6362\u4e3a\u5bf9\u5e94\u7684\u6570\u5b57\u3002<\/p>\n<\/p>\n
2\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6269\u5c55<\/h4>\n<\/p>\n
\u5b57\u5178\u6620\u5c04\u7684\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u9891\u7e41\u8fdb\u884c\u5b57\u6bcd\u4e0e\u6570\u5b57\u8f6c\u6362\u7684\u573a\u666f\uff0c\u5982\u7f16\u7801\u89e3\u7801\u3001\u6570\u636e\u5206\u6790\u7b49\u3002\u6211\u4eec\u8fd8\u53ef\u4ee5\u6269\u5c55\u5b57\u5178\uff0c\u652f\u6301\u5c0f\u5199\u5b57\u6bcd\u7684\u8f6c\u6362\uff1a<\/p>\n<\/p>\n
# \u521b\u5efa\u5b57\u6bcd\u5230\u6570\u5b57\u7684\u6620\u5c04\u5b57\u5178\uff08\u5305\u542b\u5927\u5199\u548c\u5c0f\u5199\u5b57\u6bcd\uff09<\/p>\n
letter_to_number = {chr(i): i - 64 for i in range(65, 91)}<\/p>\n
letter_to_number.update({chr(i): i - 96 for i in range(97, 123)})<\/p>\n
\u793a\u4f8b<\/strong><\/h2>\n
print(letter_to_number['a'])  # \u8f93\u51fa\uff1a1<\/p>\n
print(letter_to_number['z'])  # \u8f93\u51fa\uff1a26<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u7075\u6d3b\u5730\u5904\u7406\u5404\u79cd\u5b57\u6bcd\u8f6c\u6362\u9700\u6c42\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528enumerate\u51fd\u6570<\/h3>\n<\/p>\n
\u4f7f\u7528enumerate\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u5b57\u6bcd\u4e0e\u5176\u5bf9\u5e94\u7684\u6570\u5b57\u8fdb\u884c\u5173\u8054\u3002enumerate\u51fd\u6570\u53ef\u4ee5\u4e3a\u8fed\u4ee3\u5bf9\u8c61\u751f\u6210\u7d22\u5f15\uff0c\u4ece\u800c\u5b9e\u73b0\u5b57\u6bcd\u5230\u6570\u5b57\u7684\u8f6c\u6362\u3002<\/p>\n<\/p>\n
1\u3001\u57fa\u672c\u7528\u6cd5\u4e0e\u793a\u4f8b<\/h4>\n<\/p>\n
\u4f7f\u7528enumerate\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u751f\u6210\u5b57\u6bcd\u4e0e\u6570\u5b57\u7684\u5bf9\u5e94\u5173\u7cfb\uff1a<\/p>\n<\/p>\n
# \u4f7f\u7528enumerate\u751f\u6210\u5b57\u6bcd\u5230\u6570\u5b57\u7684\u6620\u5c04<\/p>\n
letter_to_number = {letter: index for index, letter in enumerate('ABCDEFGHIJKLMNOPQRSTUVWXYZ', start=1)}<\/p>\n
\u793a\u4f8b<\/strong><\/h2>\n
print(letter_to_number['A'])  # \u8f93\u51fa\uff1a1<\/p>\n
print(letter_to_number['Z'])  # \u8f93\u51fa\uff1a26<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5feb\u901f\u751f\u6210\u5b57\u6bcd\u4e0e\u6570\u5b57\u7684\u6620\u5c04\u5173\u7cfb\u3002<\/p>\n<\/p>\n
2\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6269\u5c55<\/h4>\n<\/p>\n
\u4f7f\u7528enumerate\u51fd\u6570\u7684\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u52a8\u6001\u751f\u6210\u5b57\u6bcd\u4e0e\u6570\u5b57\u6620\u5c04\u7684\u573a\u666f\uff0c\u5982\u6587\u672c\u5904\u7406\u3001\u6570\u636e\u8f6c\u6362\u7b49\u3002\u6211\u4eec\u8fd8\u53ef\u4ee5\u6269\u5c55\u8fd9\u79cd\u65b9\u6cd5\uff0c\u652f\u6301\u5c0f\u5199\u5b57\u6bcd\u7684\u8f6c\u6362\uff1a<\/p>\n<\/p>\n
# \u4f7f\u7528enumerate\u751f\u6210\u5b57\u6bcd\u5230\u6570\u5b57\u7684\u6620\u5c04\uff08\u5305\u542b\u5927\u5199\u548c\u5c0f\u5199\u5b57\u6bcd\uff09<\/p>\n
letter_to_number = {letter: index for index, letter in enumerate('ABCDEFGHIJKLMNOPQRSTUVWXYZ', start=1)}<\/p>\n
letter_to_number.update({letter: index for index, letter in enumerate('abcdefghijklmnopqrstuvwxyz', start=1)})<\/p>\n
\u793a\u4f8b<\/strong><\/h2>\n
print(letter_to_number['a'])  # \u8f93\u51fa\uff1a1<\/p>\n
print(letter_to_number['z'])  # \u8f93\u51fa\uff1a26<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u7075\u6d3b\u4e14\u9ad8\u6548\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u5b57\u6bcd\u8f6c\u6362\u9700\u6c42\u3002<\/p>\n<\/p>\n
\u56db\u3001\u7efc\u5408\u5e94\u7528\u4e0e\u5b9e\u8df5<\/h3>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u7efc\u5408\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u590d\u6742\u7684\u5b57\u6bcd\u4e0e\u6570\u5b57\u8f6c\u6362\u9700\u6c42\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u7efc\u5408\u5e94\u7528\u7684\u793a\u4f8b\u3002<\/p>\n<\/p>\n
1\u3001\u5b57\u6bcd\u4e0e\u6570\u5b57\u7684\u76f8\u4e92\u8f6c\u6362<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u7efc\u5408\u4f7f\u7528ASCII\u7801\u8f6c\u6362\u3001\u5b57\u5178\u6620\u5c04\u548cenumerate\u51fd\u6570\uff0c\u5b9e\u73b0\u5b57\u6bcd\u4e0e\u6570\u5b57\u7684\u76f8\u4e92\u8f6c\u6362\uff1a<\/p>\n<\/p>\n
def letter_to_number(letter):<\/p>\n
    return ord(letter.upper()) - 64<\/p>\n
def number_to_letter(number):<\/p>\n
    return chr(number + 64)<\/p>\n
\u793a\u4f8b<\/strong><\/h2>\n
print(letter_to_number('A'))  # \u8f93\u51fa\uff1a1<\/p>\n
print(number_to_letter(1))  # \u8f93\u51fa\uff1aA<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u7075\u6d3b\u5730\u5904\u7406\u5404\u79cd\u5b57\u6bcd\u4e0e\u6570\u5b57\u7684\u8f6c\u6362\u9700\u6c42\u3002<\/p>\n<\/p>\n
2\u3001\u6587\u672c\u5904\u7406\u4e0e\u5206\u6790<\/h4>\n<\/p>\n
\u5728\u6587\u672c\u5904\u7406\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5bf9\u5b57\u6bcd\u8fdb\u884c\u5404\u79cd\u8f6c\u6362\u548c\u5206\u6790\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u7edf\u8ba1\u6587\u672c\u4e2d\u6bcf\u4e2a\u5b57\u6bcd\u51fa\u73b0\u7684\u6b21\u6570\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u5bf9\u5e94\u7684\u6570\u5b57\uff1a<\/p>\n<\/p>\n
from collections import Counter<\/p>\n
def count_letters(text):<\/p>\n
    counter = Counter(char.upper() for char in text if char.isalpha())<\/p>\n
    return {letter: ord(letter) - 64 for letter, count in counter.items()}<\/p>\n
\u793a\u4f8b<\/strong><\/h2>\n
text = "Hello, World!"<\/p>\n
letter_counts = count_letters(text)<\/p>\n
print(letter_counts)  # \u8f93\u51fa\uff1a{'H': 8, 'E': 5, 'L': 12, 'O': 15, 'W': 23, 'R': 18, 'D': 4}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5feb\u901f\u5730\u7edf\u8ba1\u548c\u5206\u6790\u6587\u672c\u4e2d\u7684\u5b57\u6bcd\u4fe1\u606f\u3002<\/p>\n<\/p>\n
3\u3001\u52a0\u5bc6\u4e0e\u89e3\u5bc6<\/h4>\n<\/p>\n
\u5728\u52a0\u5bc6\u4e0e\u89e3\u5bc6\u4e2d\uff0c\u5b57\u6bcd\u4e0e\u6570\u5b57\u7684\u8f6c\u6362\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u9700\u6c42\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u51ef\u6492\u5bc6\u7801\u8fdb\u884c\u52a0\u5bc6\u548c\u89e3\u5bc6\uff1a<\/p>\n<\/p>\n
def caesar_cipher(text, shift):<\/p>\n
    result = ""<\/p>\n
    for char in text:<\/p>\n
        if char.isalpha():<\/p>\n
            shift_base = 65 if char.isupper() else 97<\/p>\n
            result += chr((ord(char) - shift_base + shift) % 26 + shift_base)<\/p>\n
        else:<\/p>\n
            result += char<\/p>\n
    return result<\/p>\n
def caesar_decipher(text, shift):<\/p>\n
    return caesar_cipher(text, -shift)<\/p>\n
\u793a\u4f8b<\/strong><\/h2>\n
original_text = "Hello, World!"<\/p>\n
shifted_text = caesar_cipher(original_text, 3)<\/p>\n
print(shifted_text)  # \u8f93\u51fa\uff1aKhoor, Zruog!<\/p>\n
decrypted_text = caesar_decipher(shifted_text, 3)<\/p>\n
print(decrypted_text)  # \u8f93\u51fa\uff1aHello, World!<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5b9e\u73b0\u7b80\u5355\u7684\u52a0\u5bc6\u548c\u89e3\u5bc6\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u603b\u7ed3\u4e0e\u5c55\u671b<\/h3>\n<\/p>\n
\u7efc\u4e0a\u6240\u8ff0\uff0cPython\u4e2d\u5c06\u5b57\u6bcd\u8f6c\u6362\u4e3a\u6570\u5b57\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u5305\u62ec\u4f7f\u7528ASCII\u7801\u8f6c\u6362\u3001\u5b57\u5178\u6620\u5c04\u548cenumerate\u51fd\u6570\u7b49\u3002\u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u7075\u6d3b\u5730\u5904\u7406\u5404\u79cd\u5b57\u6bcd\u4e0e\u6570\u5b57\u7684\u8f6c\u6362\u9700\u6c42\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u6216\u7efc\u5408\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\uff0c\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7684\u6587\u672c\u5904\u7406\u3001\u6570\u636e\u5206\u6790\u548c\u52a0\u5bc6\u89e3\u5bc6\u7b49\u529f\u80fd\u3002<\/p>\n<\/p>\n
\u672a\u6765\uff0c\u968f\u7740Python\u8bed\u8a00\u7684\u53d1\u5c55\u548c\u5e94\u7528\u573a\u666f\u7684\u4e0d\u65ad\u6269\u5c55\uff0c\u5b57\u6bcd\u4e0e\u6570\u5b57\u8f6c\u6362\u7684\u65b9\u6cd5\u548c\u6280\u672f\u4e5f\u5c06\u4e0d\u65ad\u6f14\u8fdb\u548c\u4e30\u5bcc\u3002\u6211\u4eec\u53ef\u4ee5\u671f\u5f85\u66f4\u591a\u7684\u5de5\u5177\u548c\u5e93\u51fa\u73b0\uff0c\u5e2e\u52a9\u6211\u4eec\u66f4\u65b9\u4fbf\u5730\u5904\u7406\u5404\u79cd\u590d\u6742\u7684\u6587\u672c\u548c\u6570\u636e\u8f6c\u6362\u9700\u6c42\u3002\u65e0\u8bba\u662f\u4ece\u4e8b\u6570\u636e\u79d1\u5b66\u3001\u81ea\u7136\u8bed\u8a00\u5904\u7406\u8fd8\u662f\u7f51\u7edc\u5b89\u5168\u7b49\u9886\u57df\uff0c\u638c\u63e1\u8fd9\u4e9b\u57fa\u672c\u7684\u5b57\u6bcd\u4e0e\u6570\u5b57\u8f6c\u6362\u6280\u5de7\uff0c\u90fd\u662f\u6211\u4eec\u63d0\u5347\u7f16\u7a0b\u80fd\u529b\u548c\u89e3\u51b3\u95ee\u9898\u80fd\u529b\u7684\u91cd\u8981\u57fa\u7840\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5c06\u5b57\u6bcd\u8f6c\u6362\u4e3a\u6570\u5b57\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528ord()<\/code>\u51fd\u6570\u5c06\u5b57\u6bcd\u8f6c\u6362\u4e3a\u5bf9\u5e94\u7684ASCII\u7801\u503c\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff0cord('A')<\/code>\u4f1a\u8fd4\u56de65\uff0c\u800cord('a')<\/code>\u4f1a\u8fd4\u56de97\u3002\u6b64\u5916\uff0c\u5982\u679c\u9700\u8981\u5c06\u5b57\u6bcd\u8f6c\u6362\u4e3a\u7279\u5b9a\u7684\u6570\u5b57\u7cfb\u7edf\uff0c\u6bd4\u5982\u5c06\u5b57\u6bcd\u6620\u5c04\u52301-26\u7684\u8303\u56f4\uff0c\u53ef\u4ee5\u901a\u8fc7\u51cf\u53bbord('A')<\/code>\u6216ord('a')<\/code>\u518d\u52a0\u4e0a1\u6765\u5b9e\u73b0\u3002<\/p>\n
\u662f\u5426\u53ef\u4ee5\u5c06\u6574\u4e2a\u5b57\u7b26\u4e32\u4e2d\u7684\u5b57\u6bcd\u8f6c\u6362\u4e3a\u6570\u5b57\uff1f<\/strong>
\u786e\u5b9e\u53ef\u4ee5\u3002\u901a\u8fc7\u904d\u5386\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\uff0c\u53ef\u4ee5\u5229\u7528ord()<\/code>\u51fd\u6570\u5c06\u6bcf\u4e2a\u5b57\u6bcd\u8f6c\u6362\u4e3a\u6570\u5b57\uff0c\u5e76\u5c06\u7ed3\u679c\u5b58\u50a8\u5728\u5217\u8868\u4e2d\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u8f7b\u677e\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\uff0c\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a[ord(char) - ord('A') + 1 for char in string if char.isalpha()]<\/code>\u3002\u8fd9\u4e2a\u65b9\u6cd5\u4f1a\u5c06\u5927\u5199\u5b57\u6bcd\u8f6c\u6362\u4e3a1-26\u7684\u8303\u56f4\u3002<\/p>\n
\u662f\u5426\u53ef\u4ee5\u5c06\u6570\u5b57\u8f6c\u6362\u56de\u5b57\u6bcd\uff1f<\/strong>
\u662f\u7684\uff0c\u5728Python\u4e2d\u53ef\u4ee5\u4f7f\u7528chr()<\/code>\u51fd\u6570\u5c06\u6570\u5b57\u8f6c\u6362\u56de\u5bf9\u5e94\u7684\u5b57\u6bcd\u3002\u5bf9\u4e8e\u5927\u5199\u5b57\u6bcd\uff0c\u53ef\u4ee5\u4f7f\u7528chr(num + ord('A') - 1)<\/code>\uff0c\u800c\u5bf9\u4e8e\u5c0f\u5199\u5b57\u6bcd\uff0c\u4f7f\u7528chr(num + ord('a') - 1)<\/code>\u3002\u8fd9\u4f7f\u5f97\u6570\u5b57\u4e0e\u5b57\u6bcd\u4e4b\u95f4\u7684\u8f6c\u6362\u53d8\u5f97\u7b80\u5355\u65b9\u4fbf\u3002<\/p>\n
\u5982\u4f55\u5904\u7406\u4e0d\u5728\u5b57\u6bcd\u8303\u56f4\u5185\u7684\u5b57\u7b26\uff1f<\/strong>
\u5728\u8fdb\u884c\u5b57\u6bcd\u8f6c\u6362\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u975e\u5b57\u6bcd\u5b57\u7b26\u3002\u4e3a\u4e86\u907f\u514d\u9519\u8bef\uff0c\u53ef\u4ee5\u5728\u8f6c\u6362\u524d\u5148\u68c0\u67e5\u5b57\u7b26\u662f\u5426\u662f\u5b57\u6bcd\u3002\u53ef\u4ee5\u4f7f\u7528str.isalpha()<\/code>\u65b9\u6cd5\u6765\u8fc7\u6ee4\u6389\u975e\u5b57\u6bcd\u5b57\u7b26\uff0c\u4ece\u800c\u786e\u4fdd\u8f6c\u6362\u8fc7\u7a0b\u7684\u5b89\u5168\u6027\u548c\u6709\u6548\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u5c06\u5b57\u6bcd\u8f6c\u6362\u4e3a\u6570\u5b57\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\uff0c\u5982\u4f7f\u7528ASCII\u7801\u3001\u5b57\u5178\u6620\u5c04\u3001enumerate\u51fd\u6570\u7b49 […]","protected":false},"author":3,"featured_media":1048581,"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\/1048563"}],"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=1048563"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1048563\/revisions"}],"predecessor-version":[{"id":1048584,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1048563\/revisions\/1048584"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1048581"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1048563"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1048563"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1048563"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}