{"id":1070584,"date":"2025-01-08T10:59:38","date_gmt":"2025-01-08T02:59:38","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1070584.html"},"modified":"2025-01-08T10:59:41","modified_gmt":"2025-01-08T02:59:41","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e4%b8%80%e6%ac%a1%e8%be%93%e5%87%ba%e5%a4%9a%e4%b8%aa-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1070584.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u4e00\u6b21\u8f93\u51fa\u591a\u4e2a"},"content":{"rendered":"

\"python\u4e2d\u5982\u4f55\u4e00\u6b21\u8f93\u51fa\u591a\u4e2a\"<\/p>\n

\u5728Python\u4e2d\uff0c\u4e00\u6b21\u8f93\u51fa\u591a\u4e2a\u503c\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u9017\u53f7\u5206\u9694\u3001\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3001\u4f7f\u7528f-string\u7b49\u3002<\/strong> \u5176\u4e2d\uff0c\u4f7f\u7528\u9017\u53f7\u5206\u9694\u662f\u6700\u7b80\u5355\u548c\u6700\u5e38\u7528\u7684\u65b9\u5f0f\uff0c\u8fd9\u79cd\u65b9\u6cd5\u4f1a\u5728\u8f93\u51fa\u7684\u503c\u4e4b\u95f4\u81ea\u52a8\u52a0\u4e0a\u4e00\u4e2a\u7a7a\u683c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

print("Hello", "world", 123)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u9664\u6b64\u4e4b\u5916\uff0c\u5b57\u7b26\u4e32\u683c\u5f0f\u5316<\/strong>\u548cf-string<\/strong>\u4e5f\u975e\u5e38\u65b9\u4fbf\u548c\u7075\u6d3b\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u8f93\u51fa\u590d\u6742\u683c\u5f0f\u7684\u5b57\u7b26\u4e32\u65f6\u3002\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u53ef\u4ee5\u4f7f\u7528\u767e\u5206\u53f7\uff08%\uff09\u64cd\u4f5c\u7b26\u3001str.format()<\/code>\u65b9\u6cd5\uff0c\u800cf-string\u5219\u662fPython 3.6\u5f15\u5165\u7684\u4e00\u79cd\u65b0\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u5f0f\uff0c\u4f7f\u7528\u8d77\u6765\u66f4\u52a0\u7b80\u6d01\u548c\u76f4\u89c2\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u4f7f\u7528\u9017\u53f7\u5206\u9694<\/h3>\n<\/p>\n
\u4f7f\u7528\u9017\u53f7\u5206\u9694\u662fPython\u4e2d\u6700\u57fa\u672c\u7684\u8f93\u51fa\u591a\u4e2a\u503c\u7684\u65b9\u6cd5\u3002\u9017\u53f7\u5206\u9694\u7684\u597d\u5904\u662f\u5b83\u4f1a\u81ea\u52a8\u5728\u8f93\u51fa\u7684\u503c\u4e4b\u95f4\u52a0\u4e0a\u4e00\u4e2a\u7a7a\u683c\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u624b\u52a8\u6dfb\u52a0\u7a7a\u683c\u7684\u9ebb\u70e6\u3002<\/p>\n<\/p>\n
print("Hello", "world", 123)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u884c\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
Hello world 123<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528\u9017\u53f7\u5206\u9694\u4efb\u610f\u591a\u4e2a\u503c\uff0c\u65e0\u8bba\u5b83\u4eec\u662f\u5b57\u7b26\u4e32\u3001\u6574\u6570\u3001\u6d6e\u70b9\u6570\u8fd8\u662f\u5176\u4ed6\u6570\u636e\u7c7b\u578b\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316<\/h3>\n<\/p>\n
\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u6709\u51e0\u79cd\u4e0d\u540c\u7684\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528\u767e\u5206\u53f7\uff08%\uff09\u64cd\u4f5c\u7b26\u3001str.format()<\/code>\u65b9\u6cd5\u7b49\u3002\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u7684\u597d\u5904\u662f\u4f60\u53ef\u4ee5\u66f4\u7075\u6d3b\u5730\u63a7\u5236\u8f93\u51fa\u7684\u683c\u5f0f\u3002<\/p>\n<\/p>\n
1. \u4f7f\u7528\u767e\u5206\u53f7\uff08%\uff09\u64cd\u4f5c\u7b26<\/h4>\n<\/p>\n
\u767e\u5206\u53f7\uff08%\uff09\u64cd\u4f5c\u7b26\u662f\u4e00\u79cd\u65e7\u5f0f\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u9002\u7528\u4e8ePython 2\u548cPython 3\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u63d2\u5165\u53d8\u91cf\u5230\u5b57\u7b26\u4e32\u4e2d\u3002<\/p>\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\u884c\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
Name: Alice, Age: 30<\/p>\n
<\/code><\/pre>\n<\/p>\n
2. \u4f7f\u7528str.format()<\/code>\u65b9\u6cd5<\/h4>\n<\/p>\n
str.format()<\/code>\u65b9\u6cd5\u662f\u4e00\u79cd\u66f4\u73b0\u4ee3\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u9002\u7528\u4e8ePython 3\u3002\u5b83\u6bd4\u767e\u5206\u53f7\uff08%\uff09\u64cd\u4f5c\u7b26\u66f4\u5f3a\u5927\u548c\u7075\u6d3b\u3002<\/p>\n<\/p>\n
name = "Bob"<\/p>\n
age = 25<\/p>\n
print("Name: {}, Age: {}".format(name, age))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u884c\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
Name: Bob, Age: 25<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528\u5927\u62ec\u53f7\uff08{}\uff09\u4f5c\u4e3a\u5360\u4f4d\u7b26\uff0c\u5e76\u5728format()<\/code>\u65b9\u6cd5\u4e2d\u4f20\u5165\u76f8\u5e94\u7684\u503c\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528f-string<\/h3>\n<\/p>\n
f-string\u662f\u4e00\u79cd\u66f4\u73b0\u4ee3\u548c\u7b80\u6d01\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u9002\u7528\u4e8ePython 3.6\u53ca\u4ee5\u4e0a\u7248\u672c\u3002\u5b83\u4f7f\u7528\u82b1\u62ec\u53f7\u5185\u63d2\u503c\u7684\u65b9\u5f0f\uff0c\u8bed\u6cd5\u66f4\u52a0\u7b80\u6d01\u548c\u76f4\u89c2\u3002<\/p>\n<\/p>\n
name = "Charlie"<\/p>\n
age = 35<\/p>\n
print(f"Name: {name}, Age: {age}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u884c\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
Name: Charlie, Age: 35<\/p>\n
<\/code><\/pre>\n<\/p>\n
f-string\u7684\u597d\u5904\u662f\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u63d2\u5165\u53d8\u91cf\uff0c\u8fd8\u53ef\u4ee5\u63d2\u5165\u8868\u8fbe\u5f0f\uff0c\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
a = 5<\/p>\n
b = 3<\/p>\n
print(f"Sum: {a + b}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u884c\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
Sum: 8<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u4f7f\u7528\u8fde\u63a5\u7b26\uff08+\uff09<\/h3>\n<\/p>\n
\u5982\u679c\u4f60\u4e0d\u4ecb\u610f\u624b\u52a8\u6dfb\u52a0\u7a7a\u683c\u6216\u5176\u4ed6\u5206\u9694\u7b26\uff0c\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528\u52a0\u53f7\uff08+\uff09\u6765\u8fde\u63a5\u5b57\u7b26\u4e32\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4f7f\u7528\u52a0\u53f7\u8fde\u63a5\u65f6\uff0c\u6240\u6709\u7684\u503c\u5fc5\u987b\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u5982\u679c\u4e0d\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u9700\u8981\u5148\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
name = "David"<\/p>\n
age = 40<\/p>\n
print("Name: " + name + ", Age: " + str(age))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u884c\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
Name: David, Age: 40<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528\u52a0\u53f7\u8fde\u63a5\u7684\u65b9\u6cd5\u867d\u7136\u7075\u6d3b\uff0c\u4f46\u4ee3\u7801\u7a0d\u663e\u7e41\u7410\uff0c\u4e0d\u5982\u9017\u53f7\u5206\u9694\u548c\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u4fbf\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528join()<\/code>\u65b9\u6cd5<\/h3>\n<\/p>\n
join()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5c06\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff08\u5982\u5217\u8868\uff09\u4e2d\u7684\u5143\u7d20\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5143\u7d20\u4e4b\u95f4\u4f7f\u7528\u6307\u5b9a\u7684\u5206\u9694\u7b26\u5206\u9694\u3002<\/p>\n<\/p>\n
values = ["Eve", "30", "Engineer"]<\/p>\n
print(", ".join(values))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u884c\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
Eve, 30, Engineer<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cjoin()<\/code>\u65b9\u6cd5\u8981\u6c42\u6240\u6709\u7684\u5143\u7d20\u90fd\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u5982\u679c\u6709\u975e\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u5143\u7d20\uff0c\u9700\u8981\u5148\u8fdb\u884c\u8f6c\u6362\u3002<\/p>\n<\/p>\n
\u516d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u4e00\u6b21\u8f93\u51fa\u591a\u4e2a\u503c\u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u4f18\u7f3a\u70b9\u3002\u4f7f\u7528\u9017\u53f7\u5206\u9694\u662f\u6700\u7b80\u5355\u548c\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u9002\u5408\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u7684\u8f93\u51fa\u9700\u6c42\u3002\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u548cf-string\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u683c\u5f0f\u5316\u80fd\u529b\uff0c\u9002\u5408\u9700\u8981\u7cbe\u786e\u63a7\u5236\u8f93\u51fa\u683c\u5f0f\u7684\u573a\u5408\u3002\u52a0\u53f7\u8fde\u63a5\u548cjoin()<\/code>\u65b9\u6cd5\u5219\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u7075\u6d3b\u6027\uff0c\u4f46\u4ee3\u7801\u7a0d\u663e\u7e41\u7410\u3002<\/p>\n<\/p>\n
\u65e0\u8bba\u4f7f\u7528\u54ea\u79cd\u65b9\u6cd5\uff0c\u90fd\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u548c\u573a\u666f\u9009\u62e9\u6700\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\u3002\u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\uff0c\u638c\u63e1\u591a\u79cd\u65b9\u6cd5\u5e76\u7075\u6d3b\u8fd0\u7528\uff0c\u5c06\u6709\u52a9\u4e8e\u4f60\u66f4\u9ad8\u6548\u5730\u89e3\u51b3\u5404\u79cd\u8f93\u51fa\u95ee\u9898\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5728Python\u4e2d\uff0c\u5982\u4f55\u540c\u65f6\u8f93\u51fa\u591a\u4e2a\u53d8\u91cf\u7684\u503c\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u9017\u53f7\u5206\u9694\u591a\u4e2a\u53d8\u91cf\u6765\u540c\u65f6\u8f93\u51fa\u5b83\u4eec\u7684\u503c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528print()<\/code>\u51fd\u6570\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\uff1aprint(var1, var2, var3)<\/code>\u3002\u8fd9\u6837\uff0c\u591a\u4e2a\u53d8\u91cf\u7684\u503c\u4f1a\u4ee5\u7a7a\u683c\u5206\u9694\u7684\u5f62\u5f0f\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u3002\u6b64\u5916\uff0c\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff08\u5982f-string\uff09\u6765\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u8f93\u51fa\u683c\u5f0f\uff0c\u4f8b\u5982\uff1aprint(f"{var1}, {var2}, {var3}")<\/code>\u3002<\/p>\n
\u6709\u4ec0\u4e48\u65b9\u6cd5\u53ef\u4ee5\u6539\u53d8\u8f93\u51fa\u65f6\u591a\u4e2a\u53d8\u91cf\u4e4b\u95f4\u7684\u5206\u9694\u7b26\uff1f<\/strong>
Python\u7684print()<\/code>\u51fd\u6570\u5141\u8bb8\u901a\u8fc7sep<\/code>\u53c2\u6570\u6765\u5b9a\u4e49\u8f93\u51fa\u65f6\u53d8\u91cf\u4e4b\u95f4\u7684\u5206\u9694\u7b26\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528print(var1, var2, var3, sep=", ")<\/code>\u6765\u5c06\u8f93\u51fa\u7684\u53d8\u91cf\u503c\u7528\u9017\u53f7\u548c\u7a7a\u683c\u5206\u9694\u3002\u8fd9\u6837\u53ef\u4ee5\u4f7f\u8f93\u51fa\u770b\u8d77\u6765\u66f4\u6574\u6d01\uff0c\u5e76\u4e14\u66f4\u5bb9\u6613\u9605\u8bfb\u3002<\/p>\n
\u5982\u4f55\u5c06\u591a\u4e2a\u503c\u8f93\u51fa\u5230\u6587\u4ef6\u4e2d\u800c\u4e0d\u662f\u63a7\u5236\u53f0\uff1f<\/strong>
\u5982\u679c\u5e0c\u671b\u5c06\u591a\u4e2a\u53d8\u91cf\u7684\u503c\u8f93\u51fa\u5230\u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Python\u7684\u6587\u4ef6\u64cd\u4f5c\u529f\u80fd\u3002\u9996\u5148\uff0c\u9700\u8981\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\uff0c\u7136\u540e\u4f7f\u7528print()<\/code>\u51fd\u6570\u7684file<\/code>\u53c2\u6570\u6765\u6307\u5b9a\u8f93\u51fa\u6587\u4ef6\u3002\u4f8b\u5982\uff1a  <\/p>\n
with open("output.txt", "w") as f:\n    print(var1, var2, var3, file=f)\n<\/code><\/pre>\n
\u8fd9\u6837\uff0c\u60a8\u6307\u5b9a\u7684\u53d8\u91cf\u503c\u5c06\u88ab\u5199\u5165\u5230"output.txt"\u6587\u4ef6\u4e2d\uff0c\u800c\u4e0d\u662f\u663e\u793a\u5728\u63a7\u5236\u53f0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u4e00\u6b21\u8f93\u51fa\u591a\u4e2a\u503c\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u9017\u53f7\u5206\u9694\u3001\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3001\u4f7f\u7528f-string\u7b49\u3002 \u5176\u4e2d\uff0c\u4f7f\u7528\u9017\u53f7 […]","protected":false},"author":3,"featured_media":1070592,"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\/1070584"}],"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=1070584"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1070584\/revisions"}],"predecessor-version":[{"id":1070594,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1070584\/revisions\/1070594"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1070592"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1070584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1070584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1070584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}