{"id":945879,"date":"2024-12-26T23:30:07","date_gmt":"2024-12-26T15:30:07","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/945879.html"},"modified":"2024-12-26T23:30:10","modified_gmt":"2024-12-26T15:30:10","slug":"python%e5%a6%82%e4%bd%95%e7%bb%99format","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/945879.html","title":{"rendered":"Python\u5982\u4f55\u7ed9format"},"content":{"rendered":"

\"Python\u5982\u4f55\u7ed9format\"<\/p>\n

Python\u4e2d\u4f7f\u7528format()<\/code>\u65b9\u6cd5\u8fdb\u884c\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u7684\u5173\u952e\u5728\u4e8e\u5b83\u7684\u7075\u6d3b\u6027\u3001\u6613\u8bfb\u6027\u4ee5\u53ca\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\u3002\u901a\u8fc7format()<\/code>\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5b57\u7b26\u4e32\u4e2d\u63d2\u5165\u53d8\u91cf\u3001\u63a7\u5236\u683c\u5f0f\u8f93\u51fa\u3001\u6307\u5b9a\u5360\u4f4d\u7b26\u4f4d\u7f6e\u7b49\u3002<\/strong> \u9996\u5148\uff0cformat()<\/code>\u65b9\u6cd5\u4f7f\u7528\u4e00\u7ec4\u82b1\u62ec\u53f7{}<\/code>\u4f5c\u4e3a\u5360\u4f4d\u7b26\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u63d2\u5165\u4e0d\u540c\u7c7b\u578b\u7684\u53d8\u91cf\u3002\u5176\u6b21\uff0cformat()<\/code>\u652f\u6301\u6307\u5b9a\u683c\u5f0f\uff0c\u4f8b\u5982\u5c0f\u6570\u70b9\u7cbe\u5ea6\u3001\u6570\u5b57\u5343\u4f4d\u5206\u9694\u7b26\u7b49\uff0c\u4f7f\u5f97\u8f93\u51fa\u66f4\u52a0\u7f8e\u89c2\u548c\u7b26\u5408\u8981\u6c42\u3002\u6700\u540e\uff0c\u5b83\u7684\u53ef\u8bfb\u6027\u548c\u4fbf\u6377\u6027\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u6e05\u6670\u660e\u4e86\uff0c\u6613\u4e8e\u7ef4\u62a4\u548c\u7406\u89e3\u3002<\/p>\n<\/p>\n

\u4e00\u3001BASIC USAGE OF FORMAT()<\/code><\/h3>\n<\/p>\n

\u5728Python\u4e2d\uff0cformat()<\/code>\u65b9\u6cd5\u662f\u5b57\u7b26\u4e32\u5bf9\u8c61\u7684\u65b9\u6cd5\uff0c\u7528\u4e8e\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u3002\u6700\u7b80\u5355\u7684\u5f62\u5f0f\u662f\u901a\u8fc7\u5728\u5b57\u7b26\u4e32\u4e2d\u63d2\u5165\u82b1\u62ec\u53f7{}<\/code>\u4f5c\u4e3a\u5360\u4f4d\u7b26\uff0c\u7136\u540e\u8c03\u7528format()<\/code>\u65b9\u6cd5\u6765\u586b\u5145\u8fd9\u4e9b\u5360\u4f4d\u7b26\u3002<\/p>\n<\/p>\n

name = "Alice"<\/p>\n
age = 30<\/p>\n
formatted_string = "My name is {} and I am {} years old.".format(name, age)<\/p>\n
print(formatted_string)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c{}<\/code>\u5360\u4f4d\u7b26\u5206\u522b\u88abname<\/code>\u548cage<\/code>\u7684\u503c\u66ff\u6362\u3002\u8f93\u51fa\u7ed3\u679c\u662f\uff1a<\/p>\n<\/p>\n
My name is Alice and I am 30 years old.<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528format()<\/code>\u7684\u4e00\u4e2a\u5173\u952e\u4f18\u52bf\u662f\u7075\u6d3b\u6027\u3002<\/strong> \u4f60\u53ef\u4ee5\u6839\u636e\u9700\u8981\u63d2\u5165\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\uff0c\u5e76\u901a\u8fc7\u4f4d\u7f6e\u6216\u540d\u79f0\u6765\u6307\u5b9a\u8fd9\u4e9b\u53c2\u6570\u3002<\/p>\n<\/p>\n
\u4e8c\u3001POSITIONAL AND NAMED PLACEHOLDERS<\/h3>\n<\/p>\n
\u4f7f\u7528\u4f4d\u7f6e\u53c2\u6570<\/h4>\n<\/p>\n
\u4f4d\u7f6e\u53c2\u6570\u5141\u8bb8\u4f60\u901a\u8fc7\u4f4d\u7f6e\u7d22\u5f15\u6765\u6307\u5b9a\u8981\u63d2\u5165\u7684\u503c\u3002\u4f60\u53ef\u4ee5\u5728\u82b1\u62ec\u53f7\u4e2d\u4f7f\u7528\u6570\u5b57\u6765\u6307\u5b9a\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n
formatted_string = "My name is {0} and I am {1} years old.".format(name, age)<\/p>\n
print(formatted_string)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c{0}<\/code>\u548c{1}<\/code>\u5206\u522b\u5f15\u7528\u4e86\u4f20\u9012\u7ed9format()<\/code>\u7684\u7b2c\u4e00\u4e2a\u548c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u547d\u540d\u53c2\u6570<\/h4>\n<\/p>\n
\u547d\u540d\u53c2\u6570\u5141\u8bb8\u4f60\u5728\u8c03\u7528format()<\/code>\u65f6\u901a\u8fc7\u540d\u79f0\u6307\u5b9a\u503c\u3002\u8fd9\u4f7f\u5f97\u4ee3\u7801\u66f4\u5177\u53ef\u8bfb\u6027\uff0c\u5c24\u5176\u662f\u5728\u63d2\u5165\u591a\u4e2a\u503c\u65f6\u3002<\/p>\n<\/p>\n
formatted_string = "My name is {name} and I am {age} years old.".format(name=name, age=age)<\/p>\n
print(formatted_string)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u4f7f\u4ee3\u7801\u66f4\u5177\u53ef\u8bfb\u6027\uff0c\u7279\u522b\u662f\u5728\u5927\u578b\u4ee3\u7801\u5e93\u4e2d\u3002<\/p>\n<\/p>\n
\u4e09\u3001ADVANCED FORMATTING OPTIONS<\/h3>\n<\/p>\n
format()<\/code>\u65b9\u6cd5\u4e0d\u4ec5\u53ef\u4ee5\u7528\u4e8e\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u66ff\u6362\uff0c\u8fd8\u63d0\u4f9b\u4e86\u4e00\u4e9b\u9ad8\u7ea7\u683c\u5f0f\u5316\u9009\u9879\uff0c\u8fd9\u4e9b\u9009\u9879\u53ef\u4ee5\u5e2e\u52a9\u4f60\u63a7\u5236\u8f93\u51fa\u7684\u683c\u5f0f\u3002<\/p>\n<\/p>\n
\u683c\u5f0f\u5316\u6570\u5b57<\/h4>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528format()<\/code>\u6765\u683c\u5f0f\u5316\u6570\u5b57\uff0c\u4f8b\u5982\u6307\u5b9a\u5c0f\u6570\u70b9\u7cbe\u5ea6\u6216\u6dfb\u52a0\u5343\u4f4d\u5206\u9694\u7b26\u3002<\/p>\n<\/p>\n
number = 1234567.8910<\/p>\n
formatted_number = "{:,.2f}".format(number)<\/p>\n
print(formatted_number)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\u7ed3\u679c\u662f\uff1a<\/p>\n<\/p>\n
1,234,567.89<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c{:,.2f}<\/code>\u6307\u5b9a\u4e86\u683c\u5f0f\uff0c\u5176\u4e2d,<\/code>\u8868\u793a\u6dfb\u52a0\u5343\u4f4d\u5206\u9694\u7b26\uff0c.2f<\/code>\u8868\u793a\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\u3002<\/p>\n<\/p>\n
\u683c\u5f0f\u5316\u65e5\u671f\u548c\u65f6\u95f4<\/h4>\n<\/p>\n
\u867d\u7136format()<\/code>\u672c\u8eab\u4e0d\u76f4\u63a5\u652f\u6301\u65e5\u671f\u548c\u65f6\u95f4\u683c\u5f0f\u5316\uff0c\u4f46\u7ed3\u5408Python\u7684datetime<\/code>\u6a21\u5757\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/p>\n
from datetime import datetime<\/p>\n
now = datetime.now()<\/p>\n
formatted_date = "{:%Y-%m-%d %H:%M:%S}".format(now)<\/p>\n
print(formatted_date)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u5c06\u8f93\u51fa\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u683c\u5f0f\u4e3aYYYY-MM-DD HH:MM:SS<\/code>\u3002<\/p>\n<\/p>\n
\u56db\u3001ALIGNMENT AND WIDTH<\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5bf9\u9f50\u6587\u672c\u6216\u6307\u5b9a\u8f93\u51fa\u7684\u5bbd\u5ea6\u3002format()<\/code>\u65b9\u6cd5\u63d0\u4f9b\u4e86\u5bf9\u9f50\u548c\u5bbd\u5ea6\u9009\u9879\u3002<\/p>\n<\/p>\n
\u5de6\u5bf9\u9f50\u3001\u53f3\u5bf9\u9f50\u548c\u5c45\u4e2d\u5bf9\u9f50<\/h4>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528<<\/code>\u3001><\/code>\u548c^<\/code>\u7b26\u53f7\u6765\u6307\u5b9a\u5de6\u5bf9\u9f50\u3001\u53f3\u5bf9\u9f50\u548c\u5c45\u4e2d\u5bf9\u9f50\u3002<\/p>\n<\/p>\n
text = "Hello"<\/p>\n
formatted_text = "{:<10}".format(text)  # \u5de6\u5bf9\u9f50<\/p>\n
print(f"'{formatted_text}'")<\/p>\n
formatted_text = "{:>10}".format(text)  # \u53f3\u5bf9\u9f50<\/p>\n
print(f"'{formatted_text}'")<\/p>\n
formatted_text = "{:^10}".format(text)  # \u5c45\u4e2d\u5bf9\u9f50<\/p>\n
print(f"'{formatted_text}'")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n
'Hello     '<\/p>\n
'     Hello'<\/p>\n
'  Hello   '<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u6307\u5b9a\u5bbd\u5ea6<\/h4>\n<\/p>\n
\u901a\u8fc7\u6307\u5b9a\u5bbd\u5ea6\uff0c\u4f60\u53ef\u4ee5\u786e\u4fdd\u8f93\u51fa\u5bf9\u9f50\uff0c\u4f8b\u5982\u5728\u751f\u6210\u8868\u683c\u65f6\u3002<\/p>\n<\/p>\n
data = {"Name": "Alice", "Age": 30}<\/p>\n
formatted_row = "{:<10} {:>5}".format(data["Name"], data["Age"])<\/p>\n
print(formatted_row)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
Alice          30<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001NESTED AND COMPLEX FORMATTING<\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u9ad8\u7ea7\u5e94\u7528\u4e2d\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5d4c\u5957\u6216\u8fdb\u884c\u590d\u6742\u683c\u5f0f\u5316\u3002format()<\/code>\u65b9\u6cd5\u63d0\u4f9b\u4e86\u652f\u6301\u8fd9\u4e9b\u529f\u80fd\u7684\u7075\u6d3b\u6027\u3002<\/p>\n<\/p>\n
\u5d4c\u5957\u683c\u5f0f\u5316<\/h4>\n<\/p>\n
\u5d4c\u5957\u683c\u5f0f\u5316\u5141\u8bb8\u4f60\u5728\u4e00\u4e2aformat()<\/code>\u8c03\u7528\u4e2d\u8fdb\u884c\u591a\u4e2a\u683c\u5f0f\u5316\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
value = 123.456<\/p>\n
formatted_value = "{:.2f}".format(value)<\/p>\n
nested_formatted = "Value: {:^10}".format(formatted_value)<\/p>\n
print(nested_formatted)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5c06value<\/code>\u683c\u5f0f\u5316\u4e3a\u4e24\u4f4d\u5c0f\u6570\uff0c\u7136\u540e\u5c06\u5176\u5c45\u4e2d\u5bf9\u9f50\u3002<\/p>\n<\/p>\n
\u516d\u3001EXCEPTION HANDLING AND EDGE CASES<\/h3>\n<\/p>\n
\u5728\u4f7f\u7528format()<\/code>\u65f6\uff0c\u5904\u7406\u5f02\u5e38\u548c\u8fb9\u7f18\u60c5\u51b5\u662f\u786e\u4fdd\u4ee3\u7801\u5065\u58ee\u6027\u7684\u5173\u952e\u3002<\/p>\n<\/p>\n
\u5904\u7406\u7f3a\u5931\u53c2\u6570<\/h4>\n<\/p>\n
\u5982\u679c\u5728\u8c03\u7528format()<\/code>\u65f6\u9057\u6f0f\u4e86\u5360\u4f4d\u7b26\u6240\u9700\u7684\u53c2\u6570\uff0cPython\u4f1a\u5f15\u53d1IndexError<\/code>\u6216KeyError<\/code>\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\uff0c\u4f60\u53ef\u4ee5\u5728\u8c03\u7528\u524d\u9a8c\u8bc1\u53c2\u6570\u3002<\/p>\n<\/p>\n
try:<\/p>\n
    formatted_string = "My name is {name}".format()<\/p>\n
except KeyError as e:<\/p>\n
    print(f"Missing parameter: {e}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5904\u7406\u4e0d\u6b63\u786e\u7684\u683c\u5f0f\u8bf4\u660e\u7b26<\/h4>\n<\/p>\n
\u63d0\u4f9b\u4e0d\u6b63\u786e\u7684\u683c\u5f0f\u8bf4\u660e\u7b26\u4f1a\u5bfc\u81f4ValueError<\/code>\u3002\u786e\u4fdd\u5728\u4f7f\u7528\u683c\u5f0f\u8bf4\u660e\u7b26\u65f6\u9075\u5faa\u6b63\u786e\u7684\u8bed\u6cd5\u3002<\/p>\n<\/p>\n
try:<\/p>\n
    formatted_number = "{:d}".format(123.45)<\/p>\n
except ValueError as e:<\/p>\n
    print(f"Incorrect format specifier: {e}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e03\u3001BEST PRACTICES FOR USING FORMAT()<\/code><\/h3>\n<\/p>\n
\u5728\u4f7f\u7528format()<\/code>\u65b9\u6cd5\u65f6\uff0c\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n
\u4f18\u5148\u4f7f\u7528\u547d\u540d\u53c2\u6570<\/h4>\n<\/p>\n
\u5728\u5904\u7406\u591a\u4e2a\u53c2\u6570\u65f6\uff0c\u4f18\u5148\u4f7f\u7528\u547d\u540d\u53c2\u6570\u4ee5\u63d0\u9ad8\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n
formatted_string = "My name is {name} and I am {age} years old.".format(name="Alice", age=30)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528f-strings\uff08Python 3.6+\uff09<\/h4>\n<\/p>\n
\u5bf9\u4e8ePython 3.6\u53ca\u4ee5\u4e0a\u7248\u672c\uff0cf-strings\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u7b80\u6d01\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
name = "Alice"<\/p>\n
age = 30<\/p>\n
formatted_string = f"My name is {name} and I am {age} years old."<\/p>\n
print(formatted_string)<\/p>\n
<\/code><\/pre>\n<\/p>\n
f-strings\u5728\u8fd0\u884c\u65f6\u76f4\u63a5\u5728\u5b57\u7b26\u4e32\u4e2d\u63d2\u5165\u53d8\u91cf\u503c\uff0c\u8bed\u6cd5\u66f4\u7b80\u6d01\u3002<\/p>\n<\/p>\n
\u516b\u3001CONCLUSION<\/h3>\n<\/p>\n
Python\u7684format()<\/code>\u65b9\u6cd5\u662f\u4e00\u79cd\u529f\u80fd\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u5de5\u5177\u3002\u901a\u8fc7\u5b66\u4e60\u548c\u638c\u63e1\u5b83\u7684\u5404\u79cd\u7528\u6cd5\uff0c\u4f60\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u5b9e\u73b0\u66f4\u5177\u53ef\u8bfb\u6027\u548c\u7f8e\u89c2\u7684\u8f93\u51fa\u3002\u4ece\u7b80\u5355\u7684\u53d8\u91cf\u63d2\u5165\u5230\u590d\u6742\u7684\u683c\u5f0f\u63a7\u5236\uff0cformat()<\/code>\u65b9\u6cd5\u63d0\u4f9b\u4e86\u591a\u79cd\u9009\u9879\u6765\u6ee1\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u540c\u65f6\uff0c\u7ed3\u5408\u6700\u4f73\u5b9e\u8df5\u548c\u5f02\u5e38\u5904\u7406\uff0c\u4f60\u53ef\u4ee5\u7f16\u5199\u51fa\u66f4\u5065\u58ee\u548c\u7ef4\u62a4\u6027\u66f4\u5f3a\u7684\u4ee3\u7801\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5728Python\u4e2d\uff0c\u5982\u4f55\u4f7f\u7528format()\u65b9\u6cd5\u8fdb\u884c\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\uff1f<\/strong>
Python\u7684format()\u65b9\u6cd5\u5141\u8bb8\u7528\u6237\u5728\u5b57\u7b26\u4e32\u4e2d\u63d2\u5165\u53d8\u91cf\u6216\u8868\u8fbe\u5f0f\u7684\u503c\u3002\u4f7f\u7528\u65f6\uff0c\u53ef\u4ee5\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u82b1\u62ec\u53f7{}\u4f5c\u4e3a\u5360\u4f4d\u7b26\uff0c\u7136\u540e\u8c03\u7528format()\u65b9\u6cd5\u5e76\u4f20\u5165\u76f8\u5e94\u7684\u503c\u3002\u4f8b\u5982\uff1a  <\/p>\n
name = "Alice"\nage = 30\nformatted_string = "My name is {} and I am {} years old.".format(name, age)\nprint(formatted_string)\n<\/code><\/pre>\n
\u8fd9\u5c06\u8f93\u51fa"My name is Alice and I am 30 years old."\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u6784\u5efa\u52a8\u6001\u5b57\u7b26\u4e32\u3002<\/p>\n
\u5728Python\u4e2d\uff0cformat()\u4e0ef-string\u6709\u4f55\u533a\u522b\uff1f<\/strong>
format()\u65b9\u6cd5\u548cf-string\u90fd\u662f\u7528\u4e8e\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u7684\u5de5\u5177\uff0c\u4f46\u5b83\u4eec\u7684\u8bed\u6cd5\u4e0d\u540c\u3002f-string\u5728Python 3.6\u53ca\u4ee5\u4e0a\u7248\u672c\u4e2d\u53ef\u7528\uff0c\u53ef\u4ee5\u901a\u8fc7\u5728\u5b57\u7b26\u4e32\u524d\u52a0f\u6216F\u6765\u5b9e\u73b0\u3002\u4f7f\u7528f-string\u65f6\uff0c\u53d8\u91cf\u53ef\u4ee5\u76f4\u63a5\u5728\u5b57\u7b26\u4e32\u4e2d\u63d2\u5165\uff0c\u65e0\u9700\u8c03\u7528format()\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a  <\/p>\n
name = "Bob"\nage = 25\nformatted_string = f"My name is {name} and I am {age} years old."\nprint(formatted_string)\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u6cd5\u66f4\u7b80\u6d01\uff0c\u6613\u4e8e\u9605\u8bfb\u3002<\/p>\n
\u5728format()\u65b9\u6cd5\u4e2d\uff0c\u5982\u4f55\u63a7\u5236\u6570\u5b57\u7684\u683c\u5f0f\uff1f<\/strong>
\u4f7f\u7528format()\u65b9\u6cd5\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u7279\u5b9a\u7684\u683c\u5f0f\u8bf4\u660e\u7b26\u6765\u63a7\u5236\u6570\u5b57\u7684\u663e\u793a\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u6307\u5b9a\u5c0f\u6570\u70b9\u4f4d\u6570\u3001\u586b\u5145\u5b57\u7b26\u548c\u5bf9\u9f50\u65b9\u5f0f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a  <\/p>\n
pi = 3.14159\nformatted_number = "Pi is approximately {:.2f}".format(pi)\nprint(formatted_number)\n<\/code><\/pre>\n
\u8fd9\u4f1a\u8f93\u51fa"Pi is approximately 3.14"\uff0c\u5176\u4e2d {:.2f} \u6307\u5b9a\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\u3002\u8fd9\u79cd\u7075\u6d3b\u6027\u4f7f\u5f97format()\u65b9\u6cd5\u5728\u5904\u7406\u6570\u5b57\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u4e2d\u4f7f\u7528format()\u65b9\u6cd5\u8fdb\u884c\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u7684\u5173\u952e\u5728\u4e8e\u5b83\u7684\u7075\u6d3b\u6027\u3001\u6613\u8bfb\u6027\u4ee5\u53ca\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\u3002\u901a\u8fc7f […]","protected":false},"author":3,"featured_media":945886,"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\/945879"}],"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=945879"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/945879\/revisions"}],"predecessor-version":[{"id":945888,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/945879\/revisions\/945888"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/945886"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=945879"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=945879"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=945879"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}