{"id":1164612,"date":"2025-01-15T15:09:42","date_gmt":"2025-01-15T07:09:42","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1164612.html"},"modified":"2025-01-15T15:09:44","modified_gmt":"2025-01-15T07:09:44","slug":"python%e8%9f%92%e8%9b%87%e7%a8%8b%e5%ba%8f%e5%a6%82%e4%bd%95%e5%8a%a0%e6%96%87%e5%ad%97","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1164612.html","title":{"rendered":"python\u87d2\u86c7\u7a0b\u5e8f\u5982\u4f55\u52a0\u6587\u5b57"},"content":{"rendered":"

\"python\u87d2\u86c7\u7a0b\u5e8f\u5982\u4f55\u52a0\u6587\u5b57\"<\/p>\n

\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u4e2a\u65b9\u6cd5\u5728\u7a0b\u5e8f\u4e2d\u6dfb\u52a0\u6587\u5b57\u3002\u4f7f\u7528print\u51fd\u6570\u3001\u5b57\u7b26\u4e32\u64cd\u4f5c\u3001\u6587\u4ef6\u64cd\u4f5c<\/strong>\u662f\u5e38\u89c1\u7684\u65b9\u5f0f\u3002\u4ee5\u4e0b\u662f\u5bf9\u5176\u4e2dprint\u51fd\u6570\u7684\u8be6\u7ec6\u63cf\u8ff0\uff1a<\/p>\n<\/p>\n

print\u51fd\u6570\u662fPython\u4e2d\u6700\u57fa\u7840\u3001\u6700\u5e38\u7528\u7684\u8f93\u51fa\u65b9\u5f0f\u3002\u901a\u8fc7print\u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u5c06\u6587\u672c\u3001\u53d8\u91cf\u3001\u751a\u81f3\u662f\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u3002<\/strong><\/p>\n<\/p>\n

\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

print("Hello, World!")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u884c\u4ee3\u7801\u4f1a\u5728\u63a7\u5236\u53f0\u8f93\u51fa "Hello, World!"\u3002\u4f60\u8fd8\u53ef\u4ee5\u5c06\u591a\u4e2a\u5b57\u7b26\u4e32\u6216\u8005\u53d8\u91cf\u901a\u8fc7\u9017\u53f7\u5206\u9694\u4f20\u9012\u7ed9print\u51fd\u6570\uff0c\u5b83\u4eec\u4f1a\u88ab\u81ea\u52a8\u6dfb\u52a0\u7a7a\u683c\u5e76\u8f93\u51fa\u3002<\/p>\n<\/p>\n
name = "Alice"<\/p>\n
age = 30<\/p>\n
print("Name:", name, "Age:", age)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u8f93\u51fa "Name: Alice Age: 30"\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u4f7f\u7528print\u51fd\u6570<\/h3>\n<\/p>\n
print\u51fd\u6570\u4e0d\u4ec5\u53ef\u4ee5\u8f93\u51fa\u7b80\u5355\u7684\u6587\u5b57\uff0c\u8fd8\u53ef\u4ee5\u5904\u7406\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u3002\u5b83\u80fd\u591f\u81ea\u52a8\u8f6c\u6362\u975e\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5e76\u5728\u8f93\u51fa\u65f6\u6dfb\u52a0\u9002\u5f53\u7684\u683c\u5f0f\u3002<\/p>\n<\/p>\n
1. \u57fa\u672c\u7528\u6cd5<\/h4>\n<\/p>\n
\u6700\u57fa\u672c\u7684\u7528\u6cd5\u662f\u76f4\u63a5\u5728print\u51fd\u6570\u4e2d\u8f93\u5165\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
print("Hello, World!")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u884c\u4ee3\u7801\u5c06\u4f1a\u5728\u63a7\u5236\u53f0\u8f93\u51fa "Hello, World!"\u3002\u8fd9\u662fPython\u521d\u5b66\u8005\u6700\u5148\u63a5\u89e6\u5230\u7684\u4e00\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
2. \u8f93\u51fa\u53d8\u91cf<\/h4>\n<\/p>\n
\u4f60\u53ef\u4ee5\u5728print\u51fd\u6570\u4e2d\u8f93\u51fa\u53d8\u91cf\u7684\u503c\u3002<\/p>\n<\/p>\n
name = "Alice"<\/p>\n
print("Name:", name)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u8f93\u51fa "Name: Alice"\u3002\u4f60\u53ef\u4ee5\u770b\u5230\uff0cprint\u51fd\u6570\u4f1a\u5728\u4e0d\u540c\u7684\u53c2\u6570\u4e4b\u95f4\u81ea\u52a8\u6dfb\u52a0\u7a7a\u683c\u3002<\/p>\n<\/p>\n
3. \u683c\u5f0f\u5316\u8f93\u51fa<\/h4>\n<\/p>\n
Python\u63d0\u4f9b\u4e86\u51e0\u79cd\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\uff0c\u4f7f\u5f97\u8f93\u51fa\u66f4\u52a0\u7075\u6d3b\u548c\u53ef\u8bfb\u3002<\/p>\n<\/p>\n
3.1 \u4f7f\u7528\u767e\u5206\u53f7\u683c\u5f0f\u5316<\/h5>\n<\/p>\n
name = "Alice"<\/p>\n
age = 30<\/p>\n
print("Name: %s, Age: %d" % (name, age))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u8f93\u51fa "Name: Alice, Age: 30"\u3002\u8fd9\u79cd\u65b9\u5f0f\u7c7b\u4f3c\u4e8eC\u8bed\u8a00\u7684printf\u51fd\u6570\u3002<\/p>\n<\/p>\n
3.2 \u4f7f\u7528str.format\u65b9\u6cd5<\/h5>\n<\/p>\n
name = "Alice"<\/p>\n
age = 30<\/p>\n
print("Name: {}, Age: {}".format(name, age))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u4f7f\u7528\u4e86str.format\u65b9\u6cd5\uff0c\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u63a7\u5236\u8f93\u51fa\u683c\u5f0f\u548c\u987a\u5e8f\u3002<\/p>\n<\/p>\n
3.3 \u4f7f\u7528f\u5b57\u7b26\u4e32\uff08Python 3.6+\uff09<\/h5>\n<\/p>\n
name = "Alice"<\/p>\n
age = 30<\/p>\n
print(f"Name: {name}, Age: {age}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u662f\u6700\u73b0\u4ee3\u3001\u6700\u7b80\u6d01\u7684\u65b9\u5f0f\u3002\u4f7f\u7528f\u5b57\u7b26\u4e32\uff0c\u4f60\u53ef\u4ee5\u5728\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u5d4c\u5165\u53d8\u91cf\u548c\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u5b57\u7b26\u4e32\u64cd\u4f5c<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u5b57\u7b26\u4e32\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u6570\u636e\u7c7b\u578b\u3002\u4f60\u53ef\u4ee5\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u5404\u79cd\u64cd\u4f5c\uff0c\u6bd4\u5982\u8fde\u63a5\u3001\u5207\u7247\u3001\u66ff\u6362\u7b49\u3002<\/p>\n<\/p>\n
1. \u5b57\u7b26\u4e32\u8fde\u63a5<\/h4>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528\u52a0\u53f7\uff08+\uff09\u5c06\u591a\u4e2a\u5b57\u7b26\u4e32\u8fde\u63a5\u5728\u4e00\u8d77\u3002<\/p>\n<\/p>\n
greeting = "Hello"<\/p>\n
name = "Alice"<\/p>\n
message = greeting + ", " + name + "!"<\/p>\n
print(message)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u8f93\u51fa "Hello, Alice!"\u3002<\/p>\n<\/p>\n
2. \u5b57\u7b26\u4e32\u5207\u7247<\/h4>\n<\/p>\n
\u4f60\u53ef\u4ee5\u901a\u8fc7\u5207\u7247\u64cd\u4f5c\u83b7\u53d6\u5b57\u7b26\u4e32\u7684\u5b50\u4e32\u3002<\/p>\n<\/p>\n
text = "Hello, World!"<\/p>\n
print(text[0:5])  # \u8f93\u51fa "Hello"<\/p>\n
print(text[7:])   # \u8f93\u51fa "World!"<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5207\u7247\u64cd\u4f5c\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u65b9\u5f0f\u6765\u8bbf\u95ee\u548c\u5904\u7406\u5b57\u7b26\u4e32\u4e2d\u7684\u90e8\u5206\u5185\u5bb9\u3002<\/p>\n<\/p>\n
3. \u5b57\u7b26\u4e32\u66ff\u6362<\/h4>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528str.replace\u65b9\u6cd5\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u90e8\u5206\u5185\u5bb9\u3002<\/p>\n<\/p>\n
text = "Hello, World!"<\/p>\n
new_text = text.replace("World", "Python")<\/p>\n
print(new_text)  # \u8f93\u51fa "Hello, Python!"<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684 "World" \u66ff\u6362\u4e3a "Python"\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u6587\u4ef6\u64cd\u4f5c<\/h3>\n<\/p>\n
Python\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6587\u4ef6\u64cd\u4f5c\u529f\u80fd\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5730\u8bfb\u53d6\u548c\u5199\u5165\u6587\u4ef6\u3002<\/p>\n<\/p>\n
1. \u5199\u5165\u6587\u4ef6<\/h4>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528open\u51fd\u6570\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528write\u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u5199\u5165\u6587\u4ef6\u3002<\/p>\n<\/p>\n
with open("output.txt", "w") as file:<\/p>\n
    file.write("Hello, World!")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u5728\u5f53\u524d\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aoutput.txt\u7684\u6587\u4ef6\uff0c\u5e76\u5728\u5176\u4e2d\u5199\u5165 "Hello, World!"\u3002<\/p>\n<\/p>\n
2. \u8bfb\u53d6\u6587\u4ef6<\/h4>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528open\u51fd\u6570\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528read\u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002<\/p>\n<\/p>\n
with open("output.txt", "r") as file:<\/p>\n
    content = file.read()<\/p>\n
    print(content)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u8bfb\u53d6output.txt\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u5e76\u5c06\u5176\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u3002<\/p>\n<\/p>\n
3. \u9010\u884c\u8bfb\u53d6\u6587\u4ef6<\/h4>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528for\u5faa\u73af\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002<\/p>\n<\/p>\n
with open("output.txt", "r") as file:<\/p>\n
    for line in file:<\/p>\n
        print(line.strip())<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u9010\u884c\u8bfb\u53d6output.txt\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u5e76\u5c06\u6bcf\u884c\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u3002strip\u65b9\u6cd5\u7528\u4e8e\u53bb\u9664\u6bcf\u884c\u672b\u5c3e\u7684\u6362\u884c\u7b26\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5b57\u7b26\u4e32\u6a21\u677f<\/h3>\n<\/p>\n
Python\u7684string\u6a21\u5757\u63d0\u4f9b\u4e86Template\u7c7b\uff0c\u53ef\u4ee5\u66f4\u7075\u6d3b\u5730\u5904\u7406\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3002<\/p>\n<\/p>\n
1. \u4f7f\u7528\u6a21\u677f<\/h4>\n<\/p>\n
\u4f60\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5b57\u7b26\u4e32\u6a21\u677f\uff0c\u5e76\u4f7f\u7528substitute\u65b9\u6cd5\u66ff\u6362\u6a21\u677f\u4e2d\u7684\u5360\u4f4d\u7b26\u3002<\/p>\n<\/p>\n
from string import Template<\/p>\n
template = Template("Hello, $name!")<\/p>\n
message = template.substitute(name="Alice")<\/p>\n
print(message)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u8f93\u51fa "Hello, Alice!"\u3002\u8fd9\u79cd\u65b9\u5f0f\u5728\u5904\u7406\u590d\u6742\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
2. \u5b89\u5168\u66ff\u6362<\/h4>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528SAFe<\/a>_substitute\u65b9\u6cd5\u8fdb\u884c\u5b89\u5168\u66ff\u6362\uff0c\u5982\u679c\u5360\u4f4d\u7b26\u6ca1\u6709\u63d0\u4f9b\u503c\uff0c\u5b83\u4e0d\u4f1a\u5f15\u53d1\u5f02\u5e38\u3002<\/p>\n<\/p>\n
from string import Template<\/p>\n
template = Template("Hello, $name!")<\/p>\n
message = template.safe_substitute()<\/p>\n
print(message)  # \u8f93\u51fa "Hello, $name!"<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u8f93\u51fa "Hello, $name!"\uff0c\u800c\u4e0d\u662f\u5f15\u53d1KeyError\u5f02\u5e38\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u56fd\u9645\u5316\u548c\u672c\u5730\u5316<\/h3>\n<\/p>\n
\u5728\u591a\u8bed\u8a00\u73af\u5883\u4e2d\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5904\u7406\u56fd\u9645\u5316\uff08i18n\uff09\u548c\u672c\u5730\u5316\uff08l10n\uff09\u3002Python\u7684gettext\u6a21\u5757\u63d0\u4f9b\u4e86\u652f\u6301\u56fd\u9645\u5316\u548c\u672c\u5730\u5316\u7684\u5de5\u5177\u3002<\/p>\n<\/p>\n
1. \u8bbe\u7f6e\u8bed\u8a00\u73af\u5883<\/h4>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528gettext\u6a21\u5757\u8bbe\u7f6e\u8bed\u8a00\u73af\u5883\uff0c\u5e76\u52a0\u8f7d\u7ffb\u8bd1\u6587\u4ef6\u3002<\/p>\n<\/p>\n
import gettext<\/p>\n
\u8bbe\u7f6e\u8bed\u8a00\u73af\u5883<\/strong><\/h2>\n
lang = gettext.translation('base', localedir='locales', languages=['es'])<\/p>\n
lang.install()<\/p>\n
\u4f7f\u7528\u7ffb\u8bd1<\/strong><\/h2>\n
_ = lang.gettext<\/p>\n
print(_("Hello, World!"))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u6839\u636e\u7ffb\u8bd1\u6587\u4ef6\u8f93\u51fa\u5bf9\u5e94\u8bed\u8a00\u7684\u6587\u672c\u3002<\/p>\n<\/p>\n
2. \u521b\u5efa\u7ffb\u8bd1\u6587\u4ef6<\/h4>\n<\/p>\n
\u4f60\u9700\u8981\u521b\u5efa.po\u548c.mo\u6587\u4ef6\u6765\u5b58\u50a8\u7ffb\u8bd1\u6587\u672c\u3002\u53ef\u4ee5\u4f7f\u7528gettext\u5de5\u5177\u751f\u6210\u8fd9\u4e9b\u6587\u4ef6\u3002<\/p>\n<\/p>\n
xgettext -o locales\/base.pot your_script.py<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u7136\u540e\uff0c\u4f60\u53ef\u4ee5\u6839\u636e.pot\u6587\u4ef6\u521b\u5efa.po\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528msgfmt\u5de5\u5177\u751f\u6210.mo\u6587\u4ef6\u3002<\/p>\n<\/p>\n
msgfmt locales\/es.po -o locales\/es\/LC_MESSAGES\/base.mo<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u65e5\u5fd7\u8bb0\u5f55<\/h3>\n<\/p>\n
Python\u7684logging\u6a21\u5757\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u65e5\u5fd7\u8bb0\u5f55\u529f\u80fd\uff0c\u53ef\u4ee5\u5c06\u7a0b\u5e8f\u7684\u8fd0\u884c\u4fe1\u606f\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u6216\u6587\u4ef6\u4e2d\u3002<\/p>\n<\/p>\n
1. \u57fa\u672c\u914d\u7f6e<\/h4>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528basicConfig\u65b9\u6cd5\u914d\u7f6e\u65e5\u5fd7\u8bb0\u5f55\u3002<\/p>\n<\/p>\n
import logging<\/p>\n
logging.basicConfig(level=logging.INFO)<\/p>\n
logging.info("This is an info message")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u5728\u63a7\u5236\u53f0\u8f93\u51fa "INFO:root:This is an info message"\u3002<\/p>\n<\/p>\n
2. \u65e5\u5fd7\u7ea7\u522b<\/h4>\n<\/p>\n
logging\u6a21\u5757\u63d0\u4f9b\u4e86\u591a\u4e2a\u65e5\u5fd7\u7ea7\u522b\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8bb0\u5f55\u4e0d\u540c\u7ea7\u522b\u7684\u65e5\u5fd7\u4fe1\u606f\u3002<\/p>\n<\/p>\n
import logging<\/p>\n
logging.basicConfig(level=logging.DEBUG)<\/p>\n
logging.debug("This is a debug message")<\/p>\n
logging.info("This is an info message")<\/p>\n
logging.warning("This is a warning message")<\/p>\n
logging.error("This is an error message")<\/p>\n
logging.critical("This is a critical message")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u5728\u63a7\u5236\u53f0\u8f93\u51fa\u6240\u6709\u7ea7\u522b\u7684\u65e5\u5fd7\u4fe1\u606f\u3002<\/p>\n<\/p>\n
3. \u65e5\u5fd7\u683c\u5f0f<\/h4>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528\u683c\u5f0f\u5b57\u7b26\u4e32\u81ea\u5b9a\u4e49\u65e5\u5fd7\u7684\u8f93\u51fa\u683c\u5f0f\u3002<\/p>\n<\/p>\n
import logging<\/p>\n
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')<\/p>\n
logging.info("This is an info message")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u5728\u63a7\u5236\u53f0\u8f93\u51fa\u5e26\u6709\u65f6\u95f4\u6233\u3001\u65e5\u5fd7\u8bb0\u5f55\u5668\u540d\u79f0\u548c\u65e5\u5fd7\u7ea7\u522b\u7684\u4fe1\u606f\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<\/h3>\n<\/p>\n
\u9664\u4e86Python\u5185\u7f6e\u7684\u529f\u80fd\uff0c\u4f60\u8fd8\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u6765\u5904\u7406\u5b57\u7b26\u4e32\u548c\u6587\u672c\u3002\u4f8b\u5982\uff0cf-string\u548cJinja2\u662f\u4e24\u4e2a\u5e38\u7528\u7684\u5b57\u7b26\u4e32\u6a21\u677f\u5e93\u3002<\/p>\n<\/p>\n
1. f-string<\/h4>\n<\/p>\n
f-string\u662fPython 3.6\u5f15\u5165\u7684\u4e00\u79cd\u65b0\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5728\u5b57\u7b26\u4e32\u4e2d\u5d4c\u5165\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/p>\n
name = "Alice"<\/p>\n
age = 30<\/p>\n
message = f"Name: {name}, Age: {age}"<\/p>\n
print(message)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u8f93\u51fa "Name: Alice, Age: 30"\u3002<\/p>\n<\/p>\n
2. Jinja2<\/h4>\n<\/p>\n
Jinja2\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u6a21\u677f\u5f15\u64ce\uff0c\u5e38\u7528\u4e8eWeb\u5f00\u53d1\u4e2d\u751f\u6210HTML\u5185\u5bb9\u3002<\/p>\n<\/p>\n
from jinja2 import Template<\/p>\n
template = Template("Hello, {{ name }}!")<\/p>\n
message = template.render(name="Alice")<\/p>\n
print(message)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u8f93\u51fa "Hello, Alice!"\u3002Jinja2\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6a21\u677f\u8bed\u6cd5\uff0c\u53ef\u4ee5\u5904\u7406\u590d\u6742\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u9700\u6c42\u3002<\/p>\n<\/p>\n
\u516b\u3001\u5904\u7406\u591a\u884c\u6587\u672c<\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f60\u9700\u8981\u5904\u7406\u591a\u884c\u6587\u672c\u3002Python\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5904\u7406\u591a\u884c\u6587\u672c\u3002<\/p>\n<\/p>\n
1. \u591a\u884c\u5b57\u7b26\u4e32<\/h4>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528\u4e09\u5f15\u53f7\uff08''' \u6216 """\uff09\u5b9a\u4e49\u591a\u884c\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
text = """Hello,<\/p>\n
World!<\/p>\n
This is a multi-line string."""<\/p>\n
print(text)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u8f93\u51fa\u591a\u884c\u6587\u672c\u3002<\/p>\n<\/p>\n
2. \u62fc\u63a5\u591a\u884c\u5b57\u7b26\u4e32<\/h4>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528\u52a0\u53f7\uff08+\uff09\u6216\u6362\u884c\u7b26\uff08\\\uff09\u62fc\u63a5\u591a\u884c\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
text = "Hello,\\n" + \\<\/p>\n
       "World!\\n" + \\<\/p>\n
       "This is a multi-line string."<\/p>\n
print(text)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u8f93\u51fa\u4e0e\u4e0a\u4e00\u6bb5\u76f8\u540c\u7684\u591a\u884c\u6587\u672c\u3002<\/p>\n<\/p>\n
3. \u4f7f\u7528join\u65b9\u6cd5<\/h4>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528str.join\u65b9\u6cd5\u5c06\u591a\u4e2a\u5b57\u7b26\u4e32\u8fde\u63a5\u6210\u4e00\u4e2a\u591a\u884c\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
lines = ["Hello,", "World!", "This is a multi-line string."]<\/p>\n
text = "\\n".join(lines)<\/p>\n
print(text)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u8f93\u51fa\u4e0e\u524d\u4e24\u6bb5\u76f8\u540c\u7684\u591a\u884c\u6587\u672c\u3002<\/p>\n<\/p>\n
\u4e5d\u3001\u6587\u672c\u5904\u7406\u5e93<\/h3>\n<\/p>\n
Python\u7684\u6807\u51c6\u5e93\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6587\u672c\u5904\u7406\u529f\u80fd\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u5e93\u6765\u5904\u7406\u5404\u79cd\u6587\u672c\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
1. re\u6a21\u5757<\/h4>\n<\/p>\n
re\u6a21\u5757\u63d0\u4f9b\u4e86\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u652f\u6301\uff0c\u53ef\u4ee5\u7528\u6765\u8fdb\u884c\u590d\u6742\u7684\u6587\u672c\u5339\u914d\u548c\u66ff\u6362\u3002<\/p>\n<\/p>\n
import re<\/p>\n
text = "Hello, World!"<\/p>\n
pattern = re.compile(r"World")<\/p>\n
new_text = pattern.sub("Python", text)<\/p>\n
print(new_text)  # \u8f93\u51fa "Hello, Python!"<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684 "World" \u66ff\u6362\u4e3a "Python"\u3002<\/p>\n<\/p>\n
2. difflib\u6a21\u5757<\/h4>\n<\/p>\n
difflib\u6a21\u5757\u63d0\u4f9b\u4e86\u6bd4\u8f83\u6587\u672c\u5dee\u5f02\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u7528\u6765\u751f\u6210\u6587\u672c\u7684\u5dee\u5f02\u62a5\u544a\u3002<\/p>\n<\/p>\n
import difflib<\/p>\n
text1 = "Hello, World!"<\/p>\n
text2 = "Hello, Python!"<\/p>\n
differ = difflib.Differ()<\/p>\n
diff = differ.compare(text1.splitlines(), text2.splitlines())<\/p>\n
print("\\n".join(diff))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u8f93\u51fa\u6587\u672c\u7684\u5dee\u5f02\u62a5\u544a\u3002<\/p>\n<\/p>\n
\u5341\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u6dfb\u52a0\u6587\u5b57\u662f\u4e00\u4e2a\u975e\u5e38\u5e38\u89c1\u7684\u64cd\u4f5c\u3002\u901a\u8fc7\u4f7f\u7528print\u51fd\u6570\u3001\u5b57\u7b26\u4e32\u64cd\u4f5c\u3001\u6587\u4ef6\u64cd\u4f5c\u3001\u5b57\u7b26\u4e32\u6a21\u677f\u3001\u56fd\u9645\u5316\u548c\u672c\u5730\u5316\u3001\u65e5\u5fd7\u8bb0\u5f55\u3001\u7b2c\u4e09\u65b9\u5e93\u3001\u591a\u884c\u6587\u672c\u5904\u7406\u548c\u6587\u672c\u5904\u7406\u5e93\uff0c\u4f60\u53ef\u4ee5\u7075\u6d3b\u5730\u5904\u7406\u5404\u79cd\u6587\u672c\u9700\u6c42\u3002\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u638c\u63e1Python\u4e2d\u7684\u6587\u672c\u5904\u7406\u6280\u672f\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u7a0b\u5e8f\u4e2d\u6dfb\u52a0\u6ce8\u91ca\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u6dfb\u52a0\u6ce8\u91ca\u662f\u975e\u5e38\u7b80\u5355\u7684\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4e95\u53f7\uff08#\uff09\u7b26\u53f7\u6765\u6dfb\u52a0\u5355\u884c\u6ce8\u91ca\uff0c\u6240\u6709\u5728\u4e95\u53f7\u540e\u9762\u7684\u5185\u5bb9\u90fd\u5c06\u88abPython\u89e3\u91ca\u5668\u5ffd\u7565\u3002\u4f8b\u5982\uff1a  <\/p>\n
# \u8fd9\u662f\u4e00\u4e2a\u6ce8\u91ca\nprint("Hello, World!")  # \u6253\u5370\u8f93\u51fa\n<\/code><\/pre>\n
\u5bf9\u4e8e\u591a\u884c\u6ce8\u91ca\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4e09\u91cd\u5f15\u53f7\uff08''' \u6216 """\uff09\u5305\u56f4\u591a\u884c\u6587\u672c\uff0c\u8fd9\u79cd\u65b9\u5f0f\u901a\u5e38\u7528\u4e8e\u51fd\u6570\u6216\u6a21\u5757\u7684\u6587\u6863\u5b57\u7b26\u4e32\u3002  <\/p>\n
\u5728Python\u4e2d\u5982\u4f55\u8f93\u51fa\u683c\u5f0f\u5316\u7684\u6587\u672c\uff1f<\/strong>
\u8981\u5728Python\u4e2d\u8f93\u51fa\u683c\u5f0f\u5316\u6587\u672c\uff0c\u53ef\u4ee5\u4f7f\u7528f\u5b57\u7b26\u4e32\uff08\u5728Python 3.6\u53ca\u4ee5\u4e0a\u7248\u672c\u4e2d\u53ef\u7528\uff09\u6216format()<\/code>\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a  <\/p>\n
name = "Alice"\nage = 30\nprint(f"{name} is {age} years old.")  # \u4f7f\u7528f\u5b57\u7b26\u4e32\n<\/code><\/pre>\n
\u6216\u8005\uff1a  <\/p>\n
print("{} is {} years old.".format(name, age))  # \u4f7f\u7528format\u65b9\u6cd5\n<\/code><\/pre>\n
\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u8ba9\u60a8\u5728\u8f93\u51fa\u4e2d\u52a8\u6001\u63d2\u5165\u53d8\u91cf\u503c\uff0c\u589e\u5f3a\u4e86\u7a0b\u5e8f\u7684\u53ef\u8bfb\u6027\u548c\u7075\u6d3b\u6027\u3002  <\/p>\n
\u5982\u4f55\u5728Python\u56fe\u5f62\u754c\u9762\u4e2d\u6dfb\u52a0\u6587\u672c\uff1f<\/strong>
\u5982\u679c\u60a8\u4f7f\u7528Tkinter\u5e93\u521b\u5efa\u56fe\u5f62\u7528\u6237\u754c\u9762\uff0c\u53ef\u4ee5\u901a\u8fc7Label\u63a7\u4ef6\u6765\u6dfb\u52a0\u6587\u672c\u3002\u4f8b\u5982\uff1a  <\/p>\n
import tkinter as tk\n\nroot = tk.Tk()\nlabel = tk.Label(root, text="Hello, Tkinter!")\nlabel.pack()\nroot.mAI<\/a>nloop()\n<\/code><\/pre>\n
\u8fd9\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\u5c55\u793a\u4e86\u5982\u4f55\u5728\u7a97\u53e3\u4e2d\u6dfb\u52a0\u6587\u672c\u3002Tkinter\u8fd8\u652f\u6301\u591a\u79cd\u6837\u5f0f\u548c\u683c\u5f0f\uff0c\u60a8\u53ef\u4ee5\u81ea\u5b9a\u4e49\u5b57\u4f53\u3001\u989c\u8272\u7b49\u5c5e\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u4e2a\u65b9\u6cd5\u5728\u7a0b\u5e8f\u4e2d\u6dfb\u52a0\u6587\u5b57\u3002\u4f7f\u7528print\u51fd\u6570\u3001\u5b57\u7b26\u4e32\u64cd\u4f5c\u3001\u6587\u4ef6\u64cd\u4f5c\u662f\u5e38\u89c1\u7684\u65b9\u5f0f\u3002\u4ee5\u4e0b […]","protected":false},"author":3,"featured_media":1164619,"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\/1164612"}],"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=1164612"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1164612\/revisions"}],"predecessor-version":[{"id":1164621,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1164612\/revisions\/1164621"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1164619"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1164612"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1164612"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1164612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}