{"id":1161851,"date":"2025-01-13T19:21:27","date_gmt":"2025-01-13T11:21:27","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1161851.html"},"modified":"2025-01-13T19:21:29","modified_gmt":"2025-01-13T11:21:29","slug":"python%e5%a6%82%e4%bd%95%e8%be%93%e5%87%ba%e6%97%b6%e4%b8%8d%e5%8a%a0%e9%80%97%e5%8f%b7","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1161851.html","title":{"rendered":"python\u5982\u4f55\u8f93\u51fa\u65f6\u4e0d\u52a0\u9017\u53f7"},"content":{"rendered":"

\"python\u5982\u4f55\u8f93\u51fa\u65f6\u4e0d\u52a0\u9017\u53f7\"<\/p>\n

Python\u4e2d\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5728\u8f93\u51fa\u65f6\u907f\u514d\u4f7f\u7528\u9017\u53f7\u6765\u5206\u9694\u503c\u3002\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3001\u62fc\u63a5\u5b57\u7b26\u4e32\u3001\u4f7f\u7528 f-strings\u3001\u6216\u8005\u662f join<\/code> \u65b9\u6cd5<\/strong>\u3002\u4e0b\u9762\u6211\u5c06\u8be6\u7ec6\u5c55\u5f00\u5176\u4e2d\u4e00\u79cd\u65b9\u6cd5\uff0c\u5373\u4f7f\u7528 f-strings<\/code> \u6765\u8be6\u7ec6\u63cf\u8ff0\u3002<\/p>\n<\/p>\n

\u4f7f\u7528 f-strings<\/h3>\n<\/p>\n

Python 3.6 \u53ca\u4ee5\u4e0a\u7248\u672c\u5f15\u5165\u4e86 f-strings\uff0c\u8fd9\u662f\u4e00\u79cd\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u7b80\u6d01\u65b9\u6cd5\u3002f-strings \u4f7f\u7528 f<\/code> \u6216 F<\/code> \u5b57\u7b26\u4f5c\u4e3a\u524d\u7f00\uff0c\u5e76\u5728\u5b57\u7b26\u4e32\u5185\u90e8\u4f7f\u7528\u5927\u62ec\u53f7 {}<\/code> \u5305\u88f9\u53d8\u91cf\u6216\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/p>\n

name = "John"<\/p>\n
age = 30<\/p>\n
print(f"My name is {name} and I am {age} years old.")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cf<\/code> \u524d\u7f00\u544a\u8bc9 Python \u8fd9\u662f\u4e00\u4e2a\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff0c{name}<\/code> \u548c {age}<\/code> \u4f1a\u88ab\u5b83\u4eec\u5bf9\u5e94\u7684\u53d8\u91cf\u503c\u66ff\u6362\u3002\u8fd9\u6837\u8f93\u51fa\u7684\u7ed3\u679c\u662f My name is John and I am 30 years old.<\/code>\uff0c\u6ca1\u6709\u4f7f\u7528\u9017\u53f7\u5206\u9694\u3002<\/p>\n<\/p>\n
\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u51e0\u79cd\u5728 Python \u4e2d\u907f\u514d\u4f7f\u7528\u9017\u53f7\u5206\u9694\u7684\u5176\u4ed6\u5e38\u89c1\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u5b57\u7b26\u4e32\u683c\u5f0f\u5316<\/h2>\n<\/p>\n
Python \u63d0\u4f9b\u4e86\u591a\u79cd\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8ba9\u6211\u4eec\u4ee5\u66f4\u52a0\u7075\u6d3b\u7684\u65b9\u5f0f\u63a7\u5236\u8f93\u51fa\u5185\u5bb9\u3002<\/p>\n<\/p>\n
1\u3001\u4f7f\u7528 %<\/code> \u64cd\u4f5c\u7b26<\/h3>\n<\/p>\n
\u5728 Python 2 \u548c Python 3 \u4e2d\u90fd\u53ef\u4ee5\u4f7f\u7528 %<\/code> \u64cd\u4f5c\u7b26\u8fdb\u884c\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\uff0c\u8fd9\u662f\u4e00\u79cd\u8f83\u4e3a\u8001\u65e7\u4f46\u4f9d\u7136\u5e38\u7528\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
name = "Alice"<\/p>\n
score = 95<\/p>\n
print("Name: %s, Score: %d" % (name, score))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u4f7f\u7528 %<\/code> \u64cd\u4f5c\u7b26\u6765\u6307\u5b9a\u683c\u5f0f\uff0c%s<\/code> \u8868\u793a\u5b57\u7b26\u4e32\uff0c%d<\/code> \u8868\u793a\u6574\u6570\u3002\u8f93\u51fa\u7ed3\u679c\u4e3a Name: Alice, Score: 95<\/code>\uff0c\u6ca1\u6709\u4f7f\u7528\u9017\u53f7\u5206\u9694\u3002<\/p>\n<\/p>\n
2\u3001\u4f7f\u7528 str.format()<\/code> \u65b9\u6cd5<\/h3>\n<\/p>\n
str.format()<\/code> \u65b9\u6cd5\u662f Python 3 \u5f15\u5165\u7684\u4e00\u79cd\u66f4\u4e3a\u73b0\u4ee3\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u529f\u80fd\u3002<\/p>\n<\/p>\n
name = "Bob"<\/p>\n
score = 88<\/p>\n
print("Name: {}, Score: {}".format(name, score))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c{}<\/code> \u662f\u5360\u4f4d\u7b26\uff0c\u4f1a\u88ab format<\/code> \u65b9\u6cd5\u4e2d\u7684\u53c2\u6570\u66ff\u6362\u3002\u8f93\u51fa\u7ed3\u679c\u4e3a Name: Bob, Score: 88<\/code>\uff0c\u6ca1\u6709\u4f7f\u7528\u9017\u53f7\u5206\u9694\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u62fc\u63a5\u5b57\u7b26\u4e32<\/h2>\n<\/p>\n
\u62fc\u63a5\u5b57\u7b26\u4e32\u662f\u6700\u76f4\u63a5\u7684\u4e00\u79cd\u65b9\u6cd5\uff0c\u9002\u7528\u4e8e\u4efb\u4f55 Python \u7248\u672c\u3002\u8fd9\u79cd\u65b9\u6cd5\u901a\u8fc7\u4f7f\u7528 +<\/code> \u64cd\u4f5c\u7b26\u6765\u8fde\u63a5\u591a\u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
first_name = "Jane"<\/p>\n
last_name = "Doe"<\/p>\n
full_name = first_name + " " + last_name<\/p>\n
print("Full Name: " + full_name)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u5c06\u591a\u4e2a\u5b57\u7b26\u4e32\u62fc\u63a5\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u8f93\u51fa\u3002\u7ed3\u679c\u4e3a Full Name: Jane Doe<\/code>\uff0c\u6ca1\u6709\u4f7f\u7528\u9017\u53f7\u5206\u9694\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528 join<\/code> \u65b9\u6cd5<\/h2>\n<\/p>\n
join<\/code> \u65b9\u6cd5\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u5c06\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4e2d\u7684\u5143\u7d20\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5e76\u4f7f\u7528\u6307\u5b9a\u7684\u5206\u9694\u7b26\u3002<\/p>\n<\/p>\n
1\u3001\u57fa\u672c\u7528\u6cd5<\/h3>\n<\/p>\n
items = ["apple", "banana", "cherry"]<\/p>\n
output = ", ".join(items)<\/p>\n
print(output)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cjoin<\/code> \u65b9\u6cd5\u4f7f\u7528 , <\/code> \u4f5c\u4e3a\u5206\u9694\u7b26\uff0c\u5c06\u5217\u8868\u4e2d\u7684\u5143\u7d20\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u8f93\u51fa\u7ed3\u679c\u4e3a apple, banana, cherry<\/code>\u3002<\/p>\n<\/p>\n
2\u3001\u81ea\u5b9a\u4e49\u5206\u9694\u7b26<\/h3>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u5b57\u7b26\u4e32\u4f5c\u4e3a\u5206\u9694\u7b26\u3002<\/p>\n<\/p>\n
words = ["Hello", "world", "Python", "is", "awesome"]<\/p>\n
output = " ".join(words)<\/p>\n
print(output)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u7a7a\u683c\u4f5c\u4e3a\u5206\u9694\u7b26\uff0c\u8f93\u51fa\u7ed3\u679c\u4e3a Hello world Python is awesome<\/code>\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528 print<\/code> \u51fd\u6570\u7684\u53c2\u6570<\/h2>\n<\/p>\n
print<\/code> \u51fd\u6570\u6709\u4e00\u4e9b\u6709\u7528\u7684\u53c2\u6570\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u63a7\u5236\u8f93\u51fa\u683c\u5f0f\u3002<\/p>\n<\/p>\n
1\u3001\u4f7f\u7528 sep<\/code> \u53c2\u6570<\/h3>\n<\/p>\n
sep<\/code> \u53c2\u6570\u7528\u4e8e\u6307\u5b9a\u5206\u9694\u7b26\uff0c\u9ed8\u8ba4\u503c\u662f\u7a7a\u683c\u3002<\/p>\n<\/p>\n
print("apple", "banana", "cherry", sep=", ")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06 sep<\/code> \u53c2\u6570\u8bbe\u7f6e\u4e3a , <\/code>\uff0c\u8f93\u51fa\u7ed3\u679c\u4e3a apple, banana, cherry<\/code>\u3002<\/p>\n<\/p>\n
2\u3001\u4f7f\u7528 end<\/code> \u53c2\u6570<\/h3>\n<\/p>\n
end<\/code> \u53c2\u6570\u7528\u4e8e\u6307\u5b9a\u8f93\u51fa\u7ed3\u675f\u65f6\u7684\u5b57\u7b26\uff0c\u9ed8\u8ba4\u503c\u662f\u6362\u884c\u7b26 \\n<\/code>\u3002<\/p>\n<\/p>\n
print("Hello", end=" ")<\/p>\n
print("world")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cend<\/code> \u53c2\u6570\u88ab\u8bbe\u7f6e\u4e3a\u7a7a\u683c\uff0c\u56e0\u6b64 print<\/code> \u51fd\u6570\u4e0d\u4f1a\u5728\u7b2c\u4e00\u884c\u8f93\u51fa\u540e\u6362\u884c\uff0c\u8f93\u51fa\u7ed3\u679c\u4e3a Hello world<\/code>\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u603b\u7ed3<\/h2>\n<\/p>\n
\u5728 Python \u4e2d\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5728\u8f93\u51fa\u65f6\u907f\u514d\u4f7f\u7528\u9017\u53f7\u5206\u9694\u503c\u3002\u901a\u8fc7\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3001\u62fc\u63a5\u5b57\u7b26\u4e32\u3001join<\/code> \u65b9\u6cd5\uff0c\u4ee5\u53ca print<\/code> \u51fd\u6570\u7684\u53c2\u6570<\/strong>\uff0c\u6211\u4eec\u53ef\u4ee5\u7075\u6d3b\u5730\u63a7\u5236\u8f93\u51fa\u683c\u5f0f\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u72ec\u7279\u7684\u4f18\u70b9\u548c\u9002\u7528\u573a\u666f\uff0c\u9009\u62e9\u6700\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u548c\u53ef\u8bfb\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5728Python\u4e2d\uff0c\u5982\u4f55\u5728\u6253\u5370\u8f93\u51fa\u65f6\u53bb\u6389\u9ed8\u8ba4\u7684\u9017\u53f7\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u4f7f\u7528print\u51fd\u6570\u6253\u5370\u591a\u4e2a\u53c2\u6570\u65f6\uff0c\u9ed8\u8ba4\u4f1a\u5728\u5b83\u4eec\u4e4b\u95f4\u6dfb\u52a0\u7a7a\u683c\u3002\u5982\u679c\u60a8\u5e0c\u671b\u8f93\u51fa\u7684\u5185\u5bb9\u6ca1\u6709\u4efb\u4f55\u5206\u9694\u7b26\uff0c\u53ef\u4ee5\u4f7f\u7528sep<\/code>\u53c2\u6570\uff0c\u5c06\u5176\u8bbe\u7f6e\u4e3a\u7a7a\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1aprint("Hello", "World", sep="")<\/code>\uff0c\u8fd9\u6837\u5c31\u4f1a\u76f4\u63a5\u8f93\u51faHelloWorld<\/code>\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u8fde\u7eed\u8f93\u51fa\u800c\u4e0d\u6dfb\u52a0\u4efb\u4f55\u6807\u70b9\u7b26\u53f7\uff1f<\/strong>
\u4e3a\u4e86\u8fde\u7eed\u8f93\u51fa\u800c\u4e0d\u6dfb\u52a0\u4efb\u4f55\u6807\u70b9\u7b26\u53f7\uff0c\u53ef\u4ee5\u5c06\u8981\u8f93\u51fa\u7684\u5185\u5bb9\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u540e\u518d\u8fdb\u884c\u6253\u5370\u3002\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u7684\u62fc\u63a5\u65b9\u6cd5\uff0c\u4f8b\u5982\uff1aoutput = "Hello" + "World"<\/code>\uff0c\u7136\u540e\u4f7f\u7528print(output)<\/code>\uff0c\u8fd9\u6837\u5c31\u80fd\u5f97\u5230HelloWorld<\/code>\u7684\u6548\u679c\u3002<\/p>\n
\u5728Python\u4e2d\uff0c\u6709\u6ca1\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u63a7\u5236\u8f93\u51fa\u683c\u5f0f\uff1f<\/strong>
\u9664\u4e86\u4f7f\u7528sep<\/code>\u53c2\u6570\u548c\u5b57\u7b26\u4e32\u62fc\u63a5\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u5229\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\u6765\u63a7\u5236\u8f93\u51fa\u683c\u5f0f\u3002\u53ef\u4ee5\u4f7f\u7528f-string\uff08\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\uff09\u6216str.format()<\/code>\u65b9\u6cd5\uff0c\u4f8b\u5982\uff1aprint(f"{variable1}{variable2}")<\/code>\uff0c\u8fd9\u6837\u53ef\u4ee5\u5728\u8f93\u51fa\u65f6\u5b8c\u5168\u81ea\u5b9a\u4e49\u5185\u5bb9\u4e4b\u95f4\u7684\u8fde\u63a5\u65b9\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u4e2d\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5728\u8f93\u51fa\u65f6\u907f\u514d\u4f7f\u7528\u9017\u53f7\u6765\u5206\u9694\u503c\u3002\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3001\u62fc\u63a5\u5b57\u7b26\u4e32\u3001\u4f7f\u7528 f-stri […]","protected":false},"author":3,"featured_media":1161856,"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\/1161851"}],"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=1161851"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1161851\/revisions"}],"predecessor-version":[{"id":1161858,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1161851\/revisions\/1161858"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1161856"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1161851"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1161851"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1161851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}