{"id":1080144,"date":"2025-01-08T12:27:21","date_gmt":"2025-01-08T04:27:21","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1080144.html"},"modified":"2025-01-08T12:27:24","modified_gmt":"2025-01-08T04:27:24","slug":"python%e4%b8%ad%e7%a9%ba%e6%a0%bc%e5%a6%82%e4%bd%95%e6%98%be%e7%a4%ba%e5%87%ba%e6%9d%a5-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1080144.html","title":{"rendered":"python\u4e2d\u7a7a\u683c\u5982\u4f55\u663e\u793a\u51fa\u6765"},"content":{"rendered":"

\"python\u4e2d\u7a7a\u683c\u5982\u4f55\u663e\u793a\u51fa\u6765\"<\/p>\n

\u5728Python\u4e2d\uff0c\u663e\u793a\u7a7a\u683c\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u4e3b\u8981\u5305\u62ec\u4f7f\u7528\u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570\u3001\u8f6c\u4e49\u5b57\u7b26\u548c\u6253\u5370\u51fd\u6570\u7b49\u65b9\u5f0f\u3002\u4f7f\u7528repr()\u51fd\u6570\u3001\u4f7f\u7528\u8f6c\u4e49\u5b57\u7b26\uff08\\s\uff09\u3001\u4f7f\u7528print\u51fd\u6570\u8fdb\u884c\u53ef\u89c6\u5316<\/strong>\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u4e3e\u4f8b\u8bf4\u660e\u5176\u5e94\u7528\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528repr()\u51fd\u6570<\/h3>\n<\/p>\n

repr()\u51fd\u6570\u7528\u4e8e\u83b7\u53d6\u5bf9\u8c61\u7684\u201c\u5b98\u65b9\u201d\u5b57\u7b26\u4e32\u8868\u793a<\/strong>\uff0c\u8fd9\u901a\u5e38\u662f\u5f00\u53d1\u8005\u7528\u6765\u8c03\u8bd5\u7684\u5de5\u5177\u3002\u5bf9\u4e8e\u5b57\u7b26\u4e32\u6765\u8bf4\uff0crepr()\u4f1a\u663e\u793a\u51fa\u6240\u6709\u4e0d\u53ef\u89c1\u5b57\u7b26\uff08\u5982\u7a7a\u683c\u3001\u6362\u884c\u7b26\u7b49\uff09\u7684\u8f6c\u4e49\u8868\u793a\u3002<\/p>\n<\/p>\n

string_with_spaces = "Hello World"<\/p>\n
print(repr(string_with_spaces))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0cHello World<\/code>\u4e2d\u7684\u7a7a\u683c\u4f1a\u88ab\u663e\u793a\u4e3a' '<\/code>\uff0c\u4f60\u53ef\u4ee5\u6e05\u6670\u5730\u770b\u5230\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683c\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u8f6c\u4e49\u5b57\u7b26\uff08\\s\uff09<\/h3>\n<\/p>\n
\u5728\u4e00\u4e9b\u7279\u5b9a\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u8f6c\u4e49\u5b57\u7b26\u6765\u663e\u793a\u7a7a\u683c\u3002\u867d\u7136Python\u672c\u8eab\u4e0d\u652f\u6301\u76f4\u63a5\u7684\\s\u8f6c\u4e49\u5b57\u7b26\uff0c\u4f46\u4f60\u53ef\u4ee5\u901a\u8fc7\u5b57\u7b26\u4e32\u66ff\u6362\u7684\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
string_with_spaces = "Hello World"<\/p>\n
visible_spaces = string_with_spaces.replace(" ", "\\\\s")<\/p>\n
print(visible_spaces)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e2a\u7a7a\u683c\u66ff\u6362\u4e3a\u5b57\u7b26\u4e32\\s<\/code>\uff0c\u4ece\u800c\u4f7f\u7a7a\u683c\u5728\u8f93\u51fa\u4e2d\u53ef\u89c1\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528print\u51fd\u6570\u8fdb\u884c\u53ef\u89c6\u5316<\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u5728\u5b57\u7b26\u4e32\u4e2d\u63d2\u5165\u6807\u8bc6\u7b26\u53f7\u6765\u663e\u793a\u7a7a\u683c<\/strong>\u3002\u4f8b\u5982\uff0c\u4f60\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7a7a\u683c\u524d\u540e\u6dfb\u52a0\u7279\u6b8a\u5b57\u7b26\u6216\u76f4\u63a5\u5c06\u7a7a\u683c\u66ff\u6362\u4e3a\u5176\u4ed6\u53ef\u89c1\u5b57\u7b26\u3002<\/p>\n<\/p>\n
string_with_spaces = "Hello World"<\/p>\n
visible_spaces = string_with_spaces.replace(" ", "[SPACE]")<\/p>\n
print(visible_spaces)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f<\/h3>\n<\/p>\n
\u6b63\u5219\u8868\u8fbe\u5f0f\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7ea7\u7684\u5b57\u7b26\u4e32\u5904\u7406\u529f\u80fd<\/strong>\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u5339\u914d\u548c\u663e\u793a\u7a7a\u683c\u3002<\/p>\n<\/p>\n
import re<\/p>\n
string_with_spaces = "Hello World"<\/p>\n
visible_spaces = re.sub(r' ', '[SPACE]', string_with_spaces)<\/p>\n
print(visible_spaces)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f7f\u7528re.sub()<\/code>\u51fd\u6570\u5c06\u6240\u6709\u7a7a\u683c\u66ff\u6362\u4e3a[SPACE]<\/code>\uff0c\u4ece\u800c\u4f7f\u7a7a\u683c\u5728\u8f93\u51fa\u4e2d\u53ef\u89c1\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528\u5217\u8868\u89e3\u6790<\/h3>\n<\/p>\n
\u5217\u8868\u89e3\u6790\u662f\u4e00\u79cd\u5f3a\u5927\u7684Python\u7279\u6027<\/strong>\uff0c\u53ef\u4ee5\u7528\u6765\u904d\u5386\u5b57\u7b26\u4e32\u5e76\u663e\u793a\u7a7a\u683c\u3002<\/p>\n<\/p>\n
string_with_spaces = "Hello World"<\/p>\n
visible_spaces = ''.join(['[SPACE]' if char == ' ' else char for char in string_with_spaces])<\/p>\n
print(visible_spaces)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u904d\u5386\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\uff0c\u5982\u679c\u662f\u7a7a\u683c\u5219\u66ff\u6362\u4e3a[SPACE]<\/code>\uff0c\u5426\u5219\u4fdd\u6301\u4e0d\u53d8\u3002<\/p>\n<\/p>\n
\u516d\u3001\u4f7f\u7528\u5185\u7f6e\u6a21\u5757<\/h3>\n<\/p>\n
Python\u5185\u7f6e\u4e86\u4e00\u4e9b\u6a21\u5757\uff0c\u53ef\u4ee5\u5e2e\u52a9\u663e\u793a\u548c\u5904\u7406\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683c<\/strong>\u3002\u4f8b\u5982\uff0ctextwrap<\/code>\u6a21\u5757\u53ef\u4ee5\u5e2e\u52a9\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff0c\u5e76\u5728\u8f93\u51fa\u4e2d\u4fdd\u7559\u7a7a\u683c\u3002<\/p>\n<\/p>\n
import textwrap<\/p>\n
string_with_spaces = "Hello World"<\/p>\n
wrapped_text = textwrap.fill(string_with_spaces, width=50)<\/p>\n
print(wrapped_text)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u867d\u7136textwrap<\/code>\u4e3b\u8981\u7528\u4e8e\u5904\u7406\u6362\u884c\u548c\u6587\u672c\u683c\u5f0f\u5316\uff0c\u4f46\u5b83\u4e5f\u53ef\u4ee5\u5e2e\u52a9\u663e\u793a\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683c\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528\u81ea\u5b9a\u4e49\u51fd\u6570<\/h3>\n<\/p>\n
\u5982\u679c\u9700\u8981\u5728\u591a\u4e2a\u5730\u65b9\u663e\u793a\u7a7a\u683c\uff0c\u53ef\u4ee5\u7f16\u5199\u4e00\u4e2a\u81ea\u5b9a\u4e49\u51fd\u6570\u6765\u5904\u7406\u5b57\u7b26\u4e32<\/strong>\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u4ee3\u7801\uff0c\u5e76\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n
def show_spaces(s):<\/p>\n
    return s.replace(" ", "[SPACE]")<\/p>\n
string_with_spaces = "Hello World"<\/p>\n
print(show_spaces(string_with_spaces))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u81ea\u5b9a\u4e49\u51fd\u6570show_spaces()<\/code>\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e2a\u7a7a\u683c\u66ff\u6362\u4e3a[SPACE]<\/code>\uff0c\u4f60\u53ef\u4ee5\u5728\u4efb\u4f55\u9700\u8981\u663e\u793a\u7a7a\u683c\u7684\u5730\u65b9\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\u3002<\/p>\n<\/p>\n
\u516b\u3001\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<\/h3>\n<\/p>\n
\u6709\u4e9b\u7b2c\u4e09\u65b9\u5e93\u53ef\u4ee5\u5e2e\u52a9\u5904\u7406\u548c\u663e\u793a\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683c<\/strong>\u3002\u4f8b\u5982\uff0cpandas<\/code>\u5e93\u53ef\u4ee5\u5e2e\u52a9\u663e\u793a\u5305\u542b\u7a7a\u683c\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n
import pandas as pd<\/p>\n
data = {'Column1': ['Hello World']}<\/p>\n
df = pd.DataFrame(data)<\/p>\n
print(df)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cpandas<\/code>\u4f1a\u81ea\u52a8\u5904\u7406\u548c\u663e\u793a\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683c\uff0c\u4f7f\u5176\u5728\u8f93\u51fa\u4e2d\u53ef\u89c1\u3002<\/p>\n<\/p>\n
\u4e5d\u3001\u5904\u7406\u591a\u79cd\u7a7a\u767d\u5b57\u7b26<\/h3>\n<\/p>\n
\u9664\u4e86\u7a7a\u683c\uff0c\u5b57\u7b26\u4e32\u4e2d\u8fd8\u53ef\u80fd\u5305\u542b\u5176\u4ed6\u7a7a\u767d\u5b57\u7b26<\/strong>\uff08\u5982\u5236\u8868\u7b26\u3001\u6362\u884c\u7b26\u7b49\uff09\u3002\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5\u6216\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u5904\u7406\u8fd9\u4e9b\u5b57\u7b26\u3002<\/p>\n<\/p>\n
import re<\/p>\n
string_with_spaces = "Hello\\tWorld\\n"<\/p>\n
visible_spaces = re.sub(r'\\s', '[WHITESPACE]', string_with_spaces)<\/p>\n
print(visible_spaces)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5c06\u6240\u6709\u7a7a\u767d\u5b57\u7b26\uff08\u5305\u62ec\u7a7a\u683c\u3001\u5236\u8868\u7b26\u3001\u6362\u884c\u7b26\u7b49\uff09\u66ff\u6362\u4e3a[WHITESPACE]<\/code>\uff0c\u4ece\u800c\u4f7f\u5b83\u4eec\u5728\u8f93\u51fa\u4e2d\u53ef\u89c1\u3002<\/p>\n<\/p>\n
\u5341\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728Python\u4e2d\u663e\u793a\u7a7a\u683c\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u3002\u65e0\u8bba\u662f\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u8fd8\u662f\u81ea\u5b9a\u4e49\u51fd\u6570\u548c\u7b2c\u4e09\u65b9\u5e93\uff0c\u90fd\u80fd\u6709\u6548\u5730\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u3002\u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u4f60\u53ef\u4ee5\u5728\u5f00\u53d1\u548c\u8c03\u8bd5\u8fc7\u7a0b\u4e2d\u6e05\u6670\u5730\u770b\u5230\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683c\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u6253\u5370\u7a7a\u683c\u5b57\u7b26\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683c\u5b57\u7b26\u76f4\u63a5\u6253\u5370\u7a7a\u683c\u3002\u4f8b\u5982\uff0cprint("Hello  World")<\/code>\u5c06\u6253\u5370\u51fa\u201cHello  World\u201d\uff0c\u5176\u4e2d\u5305\u542b\u4e24\u4e2a\u7a7a\u683c\u3002\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528\u8f6c\u4e49\u5b57\u7b26\\t<\/code>\u6765\u6253\u5370\u5236\u8868\u7b26\uff0c\u8fd9\u4f1a\u5728\u8f93\u51fa\u4e2d\u4ea7\u751f\u4e00\u4e2a\u8f83\u5927\u7684\u7a7a\u683c\u3002<\/p>\n
\u5982\u4f55\u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u663e\u793a\u7a7a\u683c\uff1f<\/strong>
\u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff0c\u60a8\u53ef\u4ee5\u63a7\u5236\u8f93\u51fa\u4e2d\u7684\u7a7a\u683c\u3002\u901a\u8fc7\u4f7f\u7528f-string<\/code>\u6216str.format()<\/code>\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u5728\u5b57\u7b26\u4e32\u4e2d\u63d2\u5165\u7279\u5b9a\u6570\u91cf\u7684\u7a7a\u683c\u3002\u4f8b\u5982\uff1aname = "Alice"; print(f"{name:>10}")<\/code>\u5c06\u6253\u5370\u51fa\u201c      Alice\u201d\uff0c\u5728\u201cAlice\u201d\u524d\u9762\u6dfb\u52a0\u4e86\u7a7a\u683c\uff0c\u4f7f\u5176\u53f3\u5bf9\u9f50\u3002<\/p>\n
\u5728Python\u4e2d\u5982\u4f55\u5904\u7406\u5b57\u7b26\u4e32\u4e2d\u7684\u591a\u4f59\u7a7a\u683c\uff1f<\/strong>
\u5982\u679c\u60a8\u5e0c\u671b\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u591a\u4f59\u7a7a\u683c\uff0c\u53ef\u4ee5\u4f7f\u7528strip()<\/code>\u3001lstrip()<\/code>\u548crstrip()<\/code>\u65b9\u6cd5\u3002strip()<\/code>\u4f1a\u53bb\u6389\u5b57\u7b26\u4e32\u4e24\u7aef\u7684\u7a7a\u683c\uff0clstrip()<\/code>\u53bb\u6389\u5de6\u4fa7\u7684\u7a7a\u683c\uff0c\u800crstrip()<\/code>\u5219\u53bb\u6389\u53f3\u4fa7\u7684\u7a7a\u683c\u3002\u8fd9\u5bf9\u4e8e\u5904\u7406\u7528\u6237\u8f93\u5165\u6216\u6e05\u7406\u6570\u636e\u975e\u5e38\u6709\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u663e\u793a\u7a7a\u683c\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u4e3b\u8981\u5305\u62ec\u4f7f\u7528\u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570\u3001\u8f6c\u4e49\u5b57\u7b26\u548c\u6253\u5370\u51fd\u6570\u7b49\u65b9\u5f0f\u3002\u4f7f\u7528repr() […]","protected":false},"author":3,"featured_media":1080156,"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\/1080144"}],"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=1080144"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1080144\/revisions"}],"predecessor-version":[{"id":1080158,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1080144\/revisions\/1080158"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1080156"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1080144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1080144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1080144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}