{"id":1139639,"date":"2025-01-08T22:12:16","date_gmt":"2025-01-08T14:12:16","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1139639.html"},"modified":"2025-01-08T22:12:19","modified_gmt":"2025-01-08T14:12:19","slug":"python%e5%a6%82%e4%bd%95%e8%be%93%e5%87%ba%e7%b2%be%e7%a1%ae%e5%b0%8f%e6%95%b0%e7%82%b9%e5%90%8e%e4%b8%a4%e4%bd%8d","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1139639.html","title":{"rendered":"python\u5982\u4f55\u8f93\u51fa\u7cbe\u786e\u5c0f\u6570\u70b9\u540e\u4e24\u4f4d"},"content":{"rendered":"

\"python\u5982\u4f55\u8f93\u51fa\u7cbe\u786e\u5c0f\u6570\u70b9\u540e\u4e24\u4f4d\"<\/p>\n

Python\u4e2d\u8f93\u51fa\u7cbe\u786e\u5c0f\u6570\u70b9\u540e\u4e24\u4f4d\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u3001round\u51fd\u6570\u3001decimal\u6a21\u5757\u7b49<\/strong>\u3002\u4e0b\u9762\u8be6\u7ec6\u4ecb\u7ecd\u51e0\u79cd\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u5e76\u5bf9\u5176\u4e2d\u4e00\u79cd\u8fdb\u884c\u8be6\u7ec6\u63cf\u8ff0\u3002<\/p>\n<\/p>\n

1. \u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316<\/strong><\/p>\n

Python\u63d0\u4f9b\u4e86\u591a\u79cd\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u5982f-string\u3001str.format()\u548c\u767e\u5206\u53f7\u683c\u5f0f\u5316\uff0c\u5747\u53ef\u4ee5\u5b9e\u73b0\u4fdd\u7559\u5c0f\u6570\u70b9\u540e\u4e24\u4f4d\u7684\u6548\u679c\u3002<\/p>\n<\/p>\n

2. \u4f7f\u7528round\u51fd\u6570<\/strong><\/p>\n

round()<\/code>\u51fd\u6570\u53ef\u4ee5\u7528\u6765\u5bf9\u6570\u5b57\u8fdb\u884c\u56db\u820d\u4e94\u5165\uff0c\u5e76\u4fdd\u7559\u6307\u5b9a\u7684\u5c0f\u6570\u4f4d\u6570\u3002<\/p>\n<\/p>\n

3. \u4f7f\u7528decimal\u6a21\u5757<\/strong><\/p>\n

decimal<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7cbe\u5ea6\u7684\u6d6e\u70b9\u6570\u8fd0\u7b97\uff0c\u53ef\u786e\u4fdd\u7cbe\u786e\u5ea6\u3002<\/p>\n<\/p>\n

\u8be6\u7ec6\u63cf\u8ff0\uff1a\u4f7f\u7528f-string\u8fdb\u884c\u683c\u5f0f\u5316<\/strong><\/p>\n

f-string\u662fPython 3.6\u5f15\u5165\u7684\u4e00\u79cd\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u5f0f\uff0c\u4f7f\u7528\u8d77\u6765\u975e\u5e38\u7b80\u6d01\u548c\u76f4\u89c2\u3002\u901a\u8fc7\u5728\u5b57\u7b26\u4e32\u4e2d\u5d4c\u5165\u8868\u8fbe\u5f0f\u5e76\u4f7f\u7528\u683c\u5f0f\u8bf4\u660e\u7b26\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u63a7\u5236\u5c0f\u6570\u70b9\u540e\u7684\u7cbe\u5ea6\u3002<\/p>\n<\/p>\n

number = 3.141592653589793<\/p>\n
formatted_number = f"{number:.2f}"<\/p>\n
print(formatted_number)  # \u8f93\u51fa: 3.14<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c{number:.2f}<\/code>\u8fd9\u4e2a\u8868\u8fbe\u5f0f\u4e2d\u7684.2f<\/code>\u8868\u793a\u5c06\u6570\u5b57\u683c\u5f0f\u5316\u4e3a\u6d6e\u70b9\u6570\uff0c\u5e76\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\u3002<\/p>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u51e0\u79cd\u65b9\u6cd5\uff0c\u5e76\u6df1\u5165\u63a2\u8ba8\u5176\u5e94\u7528\u573a\u666f\u548c\u4f18\u7f3a\u70b9\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u5b57\u7b26\u4e32\u683c\u5f0f\u5316<\/strong><\/h2>\n
1.1 f-string\u683c\u5f0f\u5316<\/h2>\n<\/p>\n
f-string\u662fPython 3.6\u5f15\u5165\u7684\u4e00\u79cd\u65b0\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u4f7f\u7528\u8d77\u6765\u975e\u5e38\u7b80\u6d01\u660e\u4e86\u3002\u5b83\u7684\u8bed\u6cd5\u662f\u5c06\u8868\u8fbe\u5f0f\u76f4\u63a5\u5d4c\u5165\u5230\u5b57\u7b26\u4e32\u4e2d\uff0c\u5e76\u4f7f\u7528\u683c\u5f0f\u8bf4\u660e\u7b26\u6765\u63a7\u5236\u8f93\u51fa\u683c\u5f0f\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/h3>\n<\/p>\n
number = 123.456789<\/p>\n
formatted_number = f"{number:.2f}"<\/p>\n
print(formatted_number)  # \u8f93\u51fa: 123.46<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be6\u7ec6\u89e3\u91ca<\/h3>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c{number:.2f}<\/code>\u4e2d\u7684.2f<\/code>\u8868\u793a\u5c06\u6570\u5b57\u683c\u5f0f\u5316\u4e3a\u5c0f\u6570\u70b9\u540e\u4e24\u4f4d\u7684\u6d6e\u70b9\u6570\u3002f-string\u7684\u4f18\u52bf\u5728\u4e8e\u5176\u76f4\u89c2\u6027\u548c\u7b80\u6d01\u6027\uff0c\u4f7f\u5f97\u4ee3\u7801\u66f4\u6613\u8bfb\u3002<\/p>\n<\/p>\n
1.2 str.format()\u65b9\u6cd5<\/h2>\n<\/p>\n
str.format()<\/code>\u65b9\u6cd5\u662fPython 2.7\u548c3.0\u5f15\u5165\u7684\u4e00\u79cd\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u901a\u8fc7\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u82b1\u62ec\u53f7{}<\/code>\u5360\u4f4d\u7b26\uff0c\u5e76\u5728format()<\/code>\u65b9\u6cd5\u4e2d\u4f20\u5165\u5b9e\u9645\u7684\u503c\u6765\u5b9e\u73b0\u683c\u5f0f\u5316\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/h3>\n<\/p>\n
number = 123.456789<\/p>\n
formatted_number = "{:.2f}".format(number)<\/p>\n
print(formatted_number)  # \u8f93\u51fa: 123.46<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be6\u7ec6\u89e3\u91ca<\/h3>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u82b1\u62ec\u53f7{:.2f}<\/code>\u4e2d\u7684.2f<\/code>\u540c\u6837\u8868\u793a\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\u3002str.format()<\/code>\u65b9\u6cd5\u76f8\u6bd4f-string\u7a0d\u5fae\u5197\u957f\uff0c\u4f46\u5728Python 3.6\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u662f\u5e38\u7528\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u5f0f\u3002<\/p>\n<\/p>\n
1.3 \u767e\u5206\u53f7\u683c\u5f0f\u5316<\/h2>\n<\/p>\n
\u767e\u5206\u53f7\u683c\u5f0f\u5316\u662fPython\u8f83\u65e9\u7684\u4e00\u79cd\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u901a\u8fc7\u4f7f\u7528\u767e\u5206\u53f7%<\/code>\u548c\u683c\u5f0f\u8bf4\u660e\u7b26\u6765\u5b9e\u73b0\u683c\u5f0f\u5316\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/h3>\n<\/p>\n
number = 123.456789<\/p>\n
formatted_number = "%.2f" % number<\/p>\n
print(formatted_number)  # \u8f93\u51fa: 123.46<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be6\u7ec6\u89e3\u91ca<\/h3>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c%.2f<\/code>\u8868\u793a\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\u3002\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u8f83\u4e3a\u53e4\u8001\uff0c\u4f46\u5728Python 2.x\u548c3.x\u7248\u672c\u4e2d\u90fd\u80fd\u4f7f\u7528\uff0c\u9002\u5e94\u6027\u5f3a\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528round\u51fd\u6570<\/strong><\/h2>\n
round()<\/code>\u51fd\u6570\u53ef\u4ee5\u7528\u6765\u5bf9\u6570\u5b57\u8fdb\u884c\u56db\u820d\u4e94\u5165\uff0c\u5e76\u4fdd\u7559\u6307\u5b9a\u7684\u5c0f\u6570\u4f4d\u6570\u3002\u5b83\u7684\u8bed\u6cd5\u4e3around(number, ndigits)<\/code>\uff0c\u5176\u4e2dnumber<\/code>\u662f\u8981\u56db\u820d\u4e94\u5165\u7684\u6570\u5b57\uff0cndigits<\/code>\u662f\u8981\u4fdd\u7559\u7684\u5c0f\u6570\u4f4d\u6570\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/h3>\n<\/p>\n
number = 123.456789<\/p>\n
rounded_number = round(number, 2)<\/p>\n
print(rounded_number)  # \u8f93\u51fa: 123.46<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be6\u7ec6\u89e3\u91ca<\/h3>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cround(number, 2)<\/code>\u8868\u793a\u5c06number<\/code>\u56db\u820d\u4e94\u5165\u5230\u5c0f\u6570\u70b9\u540e\u4e24\u4f4d\u3002round()<\/code>\u51fd\u6570\u975e\u5e38\u65b9\u4fbf\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5bf9\u4e8e\u67d0\u4e9b\u6d6e\u70b9\u6570\u53ef\u80fd\u4f1a\u51fa\u73b0\u7cbe\u5ea6\u95ee\u9898\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528decimal\u6a21\u5757<\/strong><\/h2>\n
decimal<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7cbe\u5ea6\u7684\u6d6e\u70b9\u6570\u8fd0\u7b97\uff0c\u53ef\u4ee5\u786e\u4fdd\u8f93\u51fa\u7684\u7cbe\u786e\u6027\u3002\u5b83\u9002\u7528\u4e8e\u91d1\u878d\u3001\u79d1\u5b66\u8ba1\u7b97\u7b49\u5bf9\u7cbe\u5ea6\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
3.1 \u5bfc\u5165\u6a21\u5757\u4e0e\u57fa\u672c\u7528\u6cd5<\/h2>\n<\/p>\n
\u9996\u5148\u9700\u8981\u5bfc\u5165decimal<\/code>\u6a21\u5757\uff0c\u7136\u540e\u4f7f\u7528Decimal<\/code>\u7c7b\u6765\u521b\u5efa\u9ad8\u7cbe\u5ea6\u7684\u6d6e\u70b9\u6570\u5bf9\u8c61\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/h3>\n<\/p>\n
from decimal import Decimal, getcontext<\/p>\n
\u8bbe\u7f6e\u5168\u5c40\u7cbe\u5ea6<\/strong><\/h2>\n
getcontext().prec = 10<\/p>\n
number = Decimal('123.456789')<\/p>\n
formatted_number = number.quantize(Decimal('1.00'))<\/p>\n
print(formatted_number)  # \u8f93\u51fa: 123.46<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be6\u7ec6\u89e3\u91ca<\/h3>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u901a\u8fc7Decimal('123.456789')<\/code>\u521b\u5efa\u4e86\u4e00\u4e2a\u9ad8\u7cbe\u5ea6\u7684\u6d6e\u70b9\u6570\u5bf9\u8c61\u3002quantize(Decimal('1.00'))<\/code>\u8868\u793a\u5c06\u6570\u5b57\u683c\u5f0f\u5316\u4e3a\u4e24\u4f4d\u5c0f\u6570\u3002decimal<\/code>\u6a21\u5757\u7684\u4f18\u52bf\u5728\u4e8e\u5176\u9ad8\u7cbe\u5ea6\u548c\u53ef\u63a7\u6027\u3002<\/p>\n<\/p>\n
3.2 \u5e94\u7528\u573a\u666f<\/h2>\n<\/p>\n
decimal<\/code>\u6a21\u5757\u9002\u7528\u4e8e\u5bf9\u7cbe\u5ea6\u8981\u6c42\u9ad8\u7684\u573a\u666f\uff0c\u5982\u91d1\u878d\u8ba1\u7b97\u3001\u79d1\u5b66\u7814\u7a76\u7b49\u3002\u5728\u8fd9\u4e9b\u573a\u666f\u4e2d\uff0c\u4f7f\u7528decimal<\/code>\u53ef\u4ee5\u6709\u6548\u907f\u514d\u7531\u4e8e\u6d6e\u70b9\u6570\u7cbe\u5ea6\u95ee\u9898\u5bfc\u81f4\u7684\u8ba1\u7b97\u8bef\u5dee\u3002<\/p>\n<\/p>\n
\u56db\u3001\u6bd4\u8f83\u4e0e\u603b\u7ed3<\/strong><\/h2>\n
4.1 \u4f7f\u7528\u573a\u666f<\/h2>\n<\/p>\n
    \n
  • f-string<\/strong>: \u9002\u7528\u4e8ePython 3.6\u53ca\u4ee5\u4e0a\u7248\u672c\uff0c\u4ee3\u7801\u7b80\u6d01\u6613\u8bfb\uff0c\u63a8\u8350\u5728\u65e5\u5e38\u5f00\u53d1\u4e2d\u4f7f\u7528\u3002<\/li>\n
  • str.format()<\/strong>: \u9002\u7528\u4e8ePython 2.7\u548c3.x\u7248\u672c\uff0c\u9002\u5e94\u6027\u5f3a\uff0c\u4f46\u8f83f-string\u7a0d\u663e\u5197\u957f\u3002<\/li>\n
  • \u767e\u5206\u53f7\u683c\u5f0f\u5316<\/strong>: \u9002\u7528\u4e8ePython 2.x\u548c3.x\u7248\u672c\uff0c\u8001\u65e7\u4f46\u5b9e\u7528\uff0c\u9002\u5408\u7ef4\u62a4\u65e7\u4ee3\u7801\u65f6\u4f7f\u7528\u3002<\/li>\n
  • round\u51fd\u6570<\/strong>: \u9002\u7528\u4e8e\u9700\u8981\u7b80\u5355\u56db\u820d\u4e94\u5165\u7684\u573a\u666f\uff0c\u4f46\u8981\u6ce8\u610f\u6d6e\u70b9\u6570\u7cbe\u5ea6\u95ee\u9898\u3002<\/li>\n
  • decimal\u6a21\u5757<\/strong>: \u9002\u7528\u4e8e\u5bf9\u7cbe\u5ea6\u8981\u6c42\u9ad8\u7684\u573a\u666f\uff0c\u5982\u91d1\u878d\u8ba1\u7b97\u3001\u79d1\u5b66\u7814\u7a76\u7b49\u3002<\/li>\n<\/ul>\n
    4.2 \u4f18\u7f3a\u70b9\u603b\u7ed3<\/h2>\n<\/p>\n
      \n
    • f-string<\/strong>:\n
        \n
      • \u4f18\u70b9<\/strong>: \u7b80\u6d01\u3001\u6613\u8bfb\u3001\u76f4\u89c2\uff0c\u652f\u6301\u590d\u6742\u8868\u8fbe\u5f0f\u3002<\/li>\n
      • \u7f3a\u70b9<\/strong>: \u4ec5\u9002\u7528\u4e8ePython 3.6\u53ca\u4ee5\u4e0a\u7248\u672c\u3002<\/li>\n<\/ul>\n<\/li>\n
      • str.format()<\/strong>:\n
          \n
        • \u4f18\u70b9<\/strong>: \u9002\u5e94\u6027\u5f3a\uff0c\u652f\u6301\u590d\u6742\u683c\u5f0f\u5316\u3002<\/li>\n
        • \u7f3a\u70b9<\/strong>: \u8bed\u6cd5\u8f83f-string\u5197\u957f\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \u767e\u5206\u53f7\u683c\u5f0f\u5316<\/strong>:\n
            \n
          • \u4f18\u70b9<\/strong>: \u9002\u7528\u4e8ePython 2.x\u548c3.x\u7248\u672c\uff0c\u8bed\u6cd5\u7b80\u5355\u3002<\/li>\n
          • \u7f3a\u70b9<\/strong>: \u4e0d\u652f\u6301\u590d\u6742\u8868\u8fbe\u5f0f\uff0c\u4e0d\u591f\u76f4\u89c2\u3002<\/li>\n<\/ul>\n<\/li>\n
          • round\u51fd\u6570<\/strong>:\n
              \n
            • \u4f18\u70b9<\/strong>: \u7b80\u5355\u6613\u7528\uff0c\u9002\u5408\u57fa\u672c\u56db\u820d\u4e94\u5165\u9700\u6c42\u3002<\/li>\n
            • \u7f3a\u70b9<\/strong>: \u5bf9\u6d6e\u70b9\u6570\u7cbe\u5ea6\u95ee\u9898\u4e0d\u591f\u53cb\u597d\u3002<\/li>\n<\/ul>\n<\/li>\n
            • decimal\u6a21\u5757<\/strong>:\n
                \n
              • \u4f18\u70b9<\/strong>: \u9ad8\u7cbe\u5ea6\u3001\u53ef\u63a7\u6027\u5f3a\uff0c\u9002\u7528\u4e8e\u5bf9\u7cbe\u5ea6\u8981\u6c42\u9ad8\u7684\u573a\u666f\u3002<\/li>\n
              • \u7f3a\u70b9<\/strong>: \u4f7f\u7528\u76f8\u5bf9\u590d\u6742\uff0c\u6027\u80fd\u8f83\u4f4e\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
                \u901a\u8fc7\u4e0a\u8ff0\u4ecb\u7ecd\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u6765\u5b9e\u73b0Python\u4e2d\u8f93\u51fa\u7cbe\u786e\u5c0f\u6570\u70b9\u540e\u4e24\u4f4d\u7684\u6548\u679c\u3002\u65e0\u8bba\u662f\u5728\u65e5\u5e38\u5f00\u53d1\u4e2d\u8fd8\u662f\u5728\u9ad8\u7cbe\u5ea6\u8ba1\u7b97\u573a\u666f\u4e0b\uff0c\u90fd\u6709\u5408\u9002\u7684\u5de5\u5177\u548c\u65b9\u6cd5\u53ef\u4ee5\u4f7f\u7528\u3002<\/p>\n<\/p>\n
                \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                 \u5728Python\u4e2d\uff0c\u5982\u4f55\u683c\u5f0f\u5316\u8f93\u51fa\u5c0f\u6570\u70b9\u540e\u4e24\u4f4d\uff1f<\/strong>
                \u4f7f\u7528Python\u7684\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u5c0f\u6570\u70b9\u540e\u4e24\u4f4d\u7684\u8f93\u51fa\u3002\u53ef\u4ee5\u4f7f\u7528f-string<\/code>\u6216format<\/code>\u51fd\u6570\u3002\u4f8b\u5982\uff0cf"{value:.2f}"<\/code>\u6216"%.2f" % value<\/code>\u90fd\u53ef\u4ee5\u5c06\u6570\u5b57\u683c\u5f0f\u5316\u4e3a\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\u7684\u5b57\u7b26\u4e32\u3002\u8fd9\u79cd\u65b9\u5f0f\u65e2\u7b80\u6d01\u53c8\u6613\u4e8e\u7406\u89e3\u3002<\/p>\n
                \u5728Python\u4e2d\uff0c\u5982\u4f55\u5904\u7406\u6d6e\u70b9\u6570\u7cbe\u5ea6\u95ee\u9898\uff1f<\/strong>
                \u6d6e\u70b9\u6570\u5728\u8ba1\u7b97\u65f6\u53ef\u80fd\u4f1a\u51fa\u73b0\u7cbe\u5ea6\u95ee\u9898\uff0c\u8fd9\u901a\u5e38\u662f\u56e0\u4e3a\u6d6e\u70b9\u6570\u7684\u4e8c\u8fdb\u5236\u8868\u793a\u65b9\u5f0f\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u4e9b\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528decimal<\/code>\u6a21\u5757\uff0c\u5b83\u5141\u8bb8\u60a8\u8bbe\u7f6e\u7cbe\u786e\u5ea6\u5e76\u5904\u7406\u5c0f\u6570\u8fd0\u7b97\u3002\u4f8b\u5982\uff0c\u4f7f\u7528from decimal import Decimal<\/code>\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2aDecimal\u5bf9\u8c61\uff0c\u786e\u4fdd\u5728\u8ba1\u7b97\u65f6\u4fdd\u6301\u66f4\u9ad8\u7684\u7cbe\u5ea6\u3002<\/p>\n
                \u5982\u4f55\u5728Python\u4e2d\u5c06\u5c0f\u6570\u56db\u820d\u4e94\u5165\u5230\u4e24\u4f4d\u5c0f\u6570\uff1f<\/strong>
                \u53ef\u4ee5\u4f7f\u7528round()<\/code>\u51fd\u6570\u6765\u5b9e\u73b0\u5c0f\u6570\u7684\u56db\u820d\u4e94\u5165\u3002\u8c03\u7528\u65b9\u6cd5\u5982round(value, 2)<\/code>\uff0c\u5176\u4e2dvalue<\/code>\u662f\u8981\u5904\u7406\u7684\u6d6e\u70b9\u6570\uff0c2<\/code>\u8868\u793a\u5e0c\u671b\u4fdd\u7559\u7684\u5c0f\u6570\u4f4d\u6570\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u89c2\uff0c\u9002\u5408\u7528\u4e8e\u9700\u8981\u6807\u51c6\u56db\u820d\u4e94\u5165\u7684\u573a\u666f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u4e2d\u8f93\u51fa\u7cbe\u786e\u5c0f\u6570\u70b9\u540e\u4e24\u4f4d\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u3001round\u51fd\u6570\u3001decimal\u6a21\u5757\u7b49\u3002\u4e0b […]","protected":false},"author":3,"featured_media":1139650,"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\/1139639"}],"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=1139639"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1139639\/revisions"}],"predecessor-version":[{"id":1139654,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1139639\/revisions\/1139654"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1139650"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1139639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1139639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1139639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}