{"id":979207,"date":"2024-12-27T06:44:28","date_gmt":"2024-12-26T22:44:28","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/979207.html"},"modified":"2024-12-27T06:44:30","modified_gmt":"2024-12-26T22:44:30","slug":"python%e5%a6%82%e4%bd%95%e5%8e%bb%e6%8e%89%e5%88%97%e8%a1%a8%e7%ac%a6%e5%8f%b7","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/979207.html","title":{"rendered":"python\u5982\u4f55\u53bb\u6389\u5217\u8868\u7b26\u53f7"},"content":{"rendered":"

\"python\u5982\u4f55\u53bb\u6389\u5217\u8868\u7b26\u53f7\"<\/p>\n

\u5728Python\u4e2d\u53bb\u6389\u5217\u8868\u7b26\u53f7\u7684\u65b9\u6cd5\u4e3b\u8981\u5305\u62ec\uff1a\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u540e\u53bb\u6389\u7b26\u53f7\u3001\u4f7f\u7528\u5217\u8868\u89e3\u6790\u751f\u6210\u65b0\u7684\u5217\u8868\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u7b49\u3002<\/strong>\u5bf9\u4e8e\u5217\u8868\u4e2d\u5143\u7d20\u7684\u5904\u7406\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u4e0d\u540c\u7684\u65b9\u6cd5\u3002\u6bd4\u5982\uff0c\u5982\u679c\u9700\u8981\u5c06\u5217\u8868\u8f6c\u6362\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4e32\u5e76\u53bb\u6389\u7b26\u53f7\uff0c\u53ef\u4ee5\u4f7f\u7528join()<\/code>\u65b9\u6cd5\uff1b\u5982\u679c\u9700\u8981\u5904\u7406\u5217\u8868\u4e2d\u7684\u5143\u7d20\uff0c\u6bd4\u5982\u53bb\u6389\u7279\u5b9a\u5b57\u7b26\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u89e3\u6790\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u540e\u53bb\u6389\u7b26\u53f7<\/p>\n<\/p>\n

\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5c06\u5217\u8868\u8f6c\u6362\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4e32\u5e76\u53bb\u6389\u62ec\u53f7\u548c\u9017\u53f7\u7b49\u7b26\u53f7\u3002Python\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u5373\u4f7f\u7528join()<\/code>\u65b9\u6cd5\u3002\u53ef\u4ee5\u901a\u8fc7join()<\/code>\u65b9\u6cd5\u5c06\u5217\u8868\u5143\u7d20\u62fc\u63a5\u6210\u5b57\u7b26\u4e32\uff0c\u540c\u65f6\u53bb\u6389\u4e0d\u9700\u8981\u7684\u7b26\u53f7\u3002<\/p>\n<\/p>\n

my_list = ['a', 'b', 'c']<\/p>\n
result = ''.join(my_list)<\/p>\n
print(result)  # \u8f93\u51fa\uff1aabc<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06\u5217\u8868\u4e2d\u7684\u5143\u7d20\u4f7f\u7528\u7a7a\u5b57\u7b26\u4e32\u62fc\u63a5\u5728\u4e00\u8d77\uff0c\u5f97\u5230\u4e00\u4e2a\u6ca1\u6709\u5217\u8868\u7b26\u53f7\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u5217\u8868\u89e3\u6790\u751f\u6210\u65b0\u7684\u5217\u8868<\/p>\n<\/p>\n
\u5217\u8868\u89e3\u6790\u662f\u4e00\u79cd\u975e\u5e38\u5f3a\u5927\u7684Python\u7279\u6027\uff0c\u5141\u8bb8\u6211\u4eec\u4ee5\u7b80\u6d01\u7684\u65b9\u5f0f\u5904\u7406\u5217\u8868\u4e2d\u7684\u5143\u7d20\u3002\u901a\u8fc7\u5217\u8868\u89e3\u6790\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u751f\u6210\u65b0\u5217\u8868\u7684\u540c\u65f6\u53bb\u6389\u4e0d\u9700\u8981\u7684\u7b26\u53f7\u3002<\/p>\n<\/p>\n
my_list = ['a', 'b', 'c']<\/p>\n
new_list = [item for item in my_list if item.isalpha()]<\/p>\n
print(new_list)  # \u8f93\u51fa\uff1a['a', 'b', 'c']<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4ec5\u4fdd\u7559\u5217\u8868\u4e2d\u4e3a\u5b57\u6bcd\u7684\u5143\u7d20\uff0c\u4ece\u800c\u53bb\u6389\u4e86\u975e\u5b57\u6bcd\u7684\u7b26\u53f7\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570<\/p>\n<\/p>\n
Python\u63d0\u4f9b\u4e86\u8bb8\u591a\u5185\u7f6e\u51fd\u6570\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8f7b\u677e\u5904\u7406\u5217\u8868\u4e2d\u7684\u5143\u7d20\u3002\u6bd4\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528filter()<\/code>\u51fd\u6570\u6765\u53bb\u6389\u5217\u8868\u4e2d\u7684\u7279\u5b9a\u7b26\u53f7\u3002<\/p>\n<\/p>\n
my_list = ['a', ',', 'b', '.', 'c']<\/p>\n
new_list = list(filter(str.isalpha, my_list))<\/p>\n
print(new_list)  # \u8f93\u51fa\uff1a['a', 'b', 'c']<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528filter()<\/code>\u51fd\u6570\u4ec5\u4fdd\u7559\u4e3a\u5b57\u6bcd\u7684\u5143\u7d20\uff0c\u4ece\u800c\u53bb\u6389\u4e86\u9017\u53f7\u548c\u53e5\u53f7\u7b49\u7b26\u53f7\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5904\u7406\u5b57\u7b26\u4e32<\/p>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u5bf9\u5217\u8868\u4e2d\u7684\u5b57\u7b26\u4e32\u8fdb\u884c\u590d\u6742\u7684\u7b26\u53f7\u53bb\u9664\u64cd\u4f5c\u3002\u6b64\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528Python\u7684re<\/code>\u6a21\u5757\u6765\u5904\u7406\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/p>\n
import re<\/p>\n
my_list = ['a,', 'b.', 'c!']<\/p>\n
new_list = [re.sub(r'\\W+', '', item) for item in my_list]<\/p>\n
print(new_list)  # \u8f93\u51fa\uff1a['a', 'b', 'c']<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528re.sub()<\/code>\u51fd\u6570\u53bb\u6389\u4e86\u6bcf\u4e2a\u5143\u7d20\u4e2d\u7684\u975e\u5b57\u6bcd\u5b57\u7b26\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528map<\/code>\u51fd\u6570\u8fdb\u884c\u8f6c\u6362<\/p>\n<\/p>\n
map<\/code>\u51fd\u6570\u53ef\u4ee5\u5c06\u4e00\u4e2a\u51fd\u6570\u5e94\u7528\u4e8e\u5217\u8868\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\uff0c\u4ece\u800c\u5b9e\u73b0\u6279\u91cf\u7684\u7b26\u53f7\u53bb\u9664\u6216\u8f6c\u6362\u3002<\/p>\n<\/p>\n
my_list = ['a,', 'b.', 'c!']<\/p>\n
new_list = list(map(lambda x: x.strip(',.!'), my_list))<\/p>\n
print(new_list)  # \u8f93\u51fa\uff1a['a', 'b', 'c']<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u4f7f\u7528map<\/code>\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u6bcf\u4e2a\u5143\u7d20\u5e94\u7528strip()<\/code>\u65b9\u6cd5\uff0c\u53bb\u9664\u6307\u5b9a\u7684\u7b26\u53f7\u3002<\/p>\n<\/p>\n
\u516d\u3001\u7ed3\u5408\u5b57\u7b26\u4e32\u65b9\u6cd5\u548c\u5217\u8868\u89e3\u6790<\/p>\n<\/p>\n
\u6709\u65f6\u5019\uff0c\u53ef\u4ee5\u7ed3\u5408\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\u548c\u5217\u8868\u89e3\u6790\u8fdb\u884c\u66f4\u590d\u6742\u7684\u64cd\u4f5c\u3002\u6bd4\u5982\uff0c\u4f7f\u7528strip()<\/code>\u65b9\u6cd5\u53bb\u9664\u6bcf\u4e2a\u5143\u7d20\u7684\u7279\u5b9a\u7b26\u53f7\uff0c\u7136\u540e\u901a\u8fc7\u5217\u8868\u89e3\u6790\u751f\u6210\u65b0\u5217\u8868\u3002<\/p>\n<\/p>\n
my_list = [' a ', ' b ', ' c ']<\/p>\n
new_list = [item.strip() for item in my_list]<\/p>\n
print(new_list)  # \u8f93\u51fa\uff1a['a', 'b', 'c']<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u7528\u4e8e\u53bb\u9664\u5143\u7d20\u5f00\u5934\u548c\u7ed3\u5c3e\u7684\u7a7a\u683c\u6216\u5176\u4ed6\u5b57\u7b26\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528\u9012\u5f52\u5904\u7406\u5d4c\u5957\u5217\u8868<\/p>\n<\/p>\n
\u5982\u679c\u5217\u8868\u662f\u5d4c\u5957\u7684\uff0c\u5373\u5217\u8868\u4e2d\u5305\u542b\u5176\u4ed6\u5217\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u9012\u5f52\u6765\u5904\u7406\u7b26\u53f7\u53bb\u9664\u3002<\/p>\n<\/p>\n
def flatten_and_strip(lst):<\/p>\n
    result = []<\/p>\n
    for item in lst:<\/p>\n
        if isinstance(item, list):<\/p>\n
            result.extend(flatten_and_strip(item))<\/p>\n
        else:<\/p>\n
            result.append(item.strip())<\/p>\n
    return result<\/p>\n
my_list = [[' a '], [' b ', ' c ']]<\/p>\n
new_list = flatten_and_strip(my_list)<\/p>\n
print(new_list)  # \u8f93\u51fa\uff1a['a', 'b', 'c']<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u9012\u5f52\uff0c\u6211\u4eec\u53ef\u4ee5\u5904\u7406\u4efb\u610f\u6df1\u5ea6\u7684\u5d4c\u5957\u5217\u8868\u3002<\/p>\n<\/p>\n
\u516b\u3001\u7ed3\u5408\u5916\u90e8\u5e93\u8fdb\u884c\u9ad8\u7ea7\u5904\u7406<\/p>\n<\/p>\n
\u5bf9\u4e8e\u590d\u6742\u7684\u6570\u636e\u5904\u7406\u4efb\u52a1\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528Python\u7684\u5916\u90e8\u5e93\uff0c\u5982pandas<\/code>\u6216numpy<\/code>\uff0c\u6765\u8fdb\u884c\u6279\u91cf\u5904\u7406\u3002\u867d\u7136\u8fd9\u4e9b\u5e93\u4e3b\u8981\u7528\u4e8e\u6570\u636e\u5206\u6790\uff0c\u4f46\u5728\u5904\u7406\u5927\u578b\u6216\u590d\u6742\u5217\u8868\u65f6\u4e5f\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
import pandas as pd<\/p>\n
my_list = ['a,', 'b.', 'c!']<\/p>\n
series = pd.Series(my_list)<\/p>\n
new_list = series.str.replace(r'\\W+', '', regex=True).tolist()<\/p>\n
print(new_list)  # \u8f93\u51fa\uff1a['a', 'b', 'c']<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528pandas<\/code>\u7684str.replace()<\/code>\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u7b26\u53f7\u3002<\/p>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u51e0\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\uff0c\u5728Python\u4e2d\u9ad8\u6548\u5730\u53bb\u6389\u5217\u8868\u7b26\u53f7\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u9002\u7528\u7684\u573a\u666f\u548c\u4f18\u7f3a\u70b9\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6267\u884c\u6548\u7387\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5c06\u5217\u8868\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u800c\u4e0d\u5305\u542b\u5217\u8868\u7b26\u53f7\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528join()<\/code>\u65b9\u6cd5\u5c06\u5217\u8868\u4e2d\u7684\u5143\u7d20\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u6709\u4e00\u4e2a\u5217\u8868my_list = ['apple', 'banana', 'cherry']<\/code>\uff0c\u53ef\u4ee5\u4f7f\u7528' '.join(my_list)<\/code>\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32'apple banana cherry'<\/code>\uff0c\u4ece\u800c\u53bb\u6389\u5217\u8868\u7b26\u53f7\u3002<\/p>\n
\u6709\u6ca1\u6709\u7b80\u5355\u7684\u65b9\u6cd5\u5c06\u5217\u8868\u4e2d\u7684\u5143\u7d20\u7528\u7279\u5b9a\u5206\u9694\u7b26\u8fde\u63a5\u6210\u5b57\u7b26\u4e32\uff1f<\/strong>
\u53ef\u4ee5\u4f7f\u7528join()<\/code>\u65b9\u6cd5\u81ea\u5b9a\u4e49\u5206\u9694\u7b26\u3002\u4f8b\u5982\uff0c', '.join(my_list)<\/code>\u4f1a\u5c06\u5217\u8868\u4e2d\u7684\u5143\u7d20\u7528\u9017\u53f7\u548c\u7a7a\u683c\u8fde\u63a5\uff0c\u751f\u6210'apple, banana, cherry'<\/code>\u3002\u60a8\u53ef\u4ee5\u6839\u636e\u9700\u8981\u66ff\u6362\u5206\u9694\u7b26\uff0c\u4f8b\u5982\u4f7f\u7528'-'<\/code>\u3001'\/'<\/code>\u7b49\u3002<\/p>\n
\u5982\u4f55\u5904\u7406\u5217\u8868\u4e2d\u5305\u542b\u975e\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u5143\u7d20\uff1f<\/strong>
\u5982\u679c\u5217\u8868\u4e2d\u5305\u542b\u975e\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u5143\u7d20\uff0c\u60a8\u9700\u8981\u5148\u5c06\u5b83\u4eec\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\uff0c\u4f8b\u5982' '.join(str(item) for item in my_list)<\/code>\uff0c\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u6240\u6709\u5143\u7d20\u90fd\u88ab\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u540e\u518d\u8fdb\u884c\u8fde\u63a5\uff0c\u4ece\u800c\u907f\u514d\u9519\u8bef\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u53bb\u6389\u5217\u8868\u7b26\u53f7\u7684\u65b9\u6cd5\u4e3b\u8981\u5305\u62ec\uff1a\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u540e\u53bb\u6389\u7b26\u53f7\u3001\u4f7f\u7528\u5217\u8868\u89e3\u6790\u751f\u6210\u65b0\u7684\u5217\u8868\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u7b49\u3002 […]","protected":false},"author":3,"featured_media":979214,"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\/979207"}],"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=979207"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/979207\/revisions"}],"predecessor-version":[{"id":979215,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/979207\/revisions\/979215"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/979214"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=979207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=979207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=979207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}