{"id":988970,"date":"2024-12-27T08:07:11","date_gmt":"2024-12-27T00:07:11","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/988970.html"},"modified":"2024-12-27T08:07:15","modified_gmt":"2024-12-27T00:07:15","slug":"python%e5%a6%82%e4%bd%95%e7%bc%96%e5%88%b6%e5%b9%b3%e6%96%b9%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/988970.html","title":{"rendered":"python\u5982\u4f55\u7f16\u5236\u5e73\u65b9\u51fd\u6570"},"content":{"rendered":"

\"python\u5982\u4f55\u7f16\u5236\u5e73\u65b9\u51fd\u6570\"<\/p>\n

\u7f16\u5236\u5e73\u65b9\u51fd\u6570\u7684\u6b65\u9aa4\u5305\u62ec\uff1a\u5b9a\u4e49\u51fd\u6570\u3001\u63a5\u6536\u8f93\u5165\u53c2\u6570\u3001\u8ba1\u7b97\u5e73\u65b9\u503c\u3001\u8fd4\u56de\u7ed3\u679c\u3002<\/strong>\u5728Python\u4e2d\uff0c\u7f16\u5236\u5e73\u65b9\u51fd\u6570\u7684\u8fc7\u7a0b\u76f8\u5bf9\u7b80\u5355\uff0c\u4e3b\u8981\u6d89\u53ca\u51fd\u6570\u5b9a\u4e49\u548c\u6570\u5b66\u8fd0\u7b97\u3002\u51fd\u6570\u53ef\u4ee5\u88ab\u5b9a\u4e49\u4e3a\u63a5\u53d7\u4e00\u4e2a\u6570\u503c\u8f93\u5165\uff0c\u5e76\u8fd4\u56de\u8be5\u6570\u503c\u7684\u5e73\u65b9\u3002\u5177\u4f53\u6b65\u9aa4\u5305\u62ec\u4f7f\u7528Python\u7684def<\/code>\u5173\u952e\u5b57\u5b9a\u4e49\u51fd\u6570\uff0c\u63a5\u6536\u8f93\u5165\u53c2\u6570\uff0c\u5728\u51fd\u6570\u4f53\u5185\u8ba1\u7b97\u5e73\u65b9\u503c\uff0c\u6700\u540e\u901a\u8fc7return<\/code>\u8bed\u53e5\u8fd4\u56de\u7ed3\u679c\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u4ecb\u7ecd\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5b9a\u4e49\u5e73\u65b9\u51fd\u6570<\/h3>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u51fd\u6570\u662f\u901a\u8fc7def<\/code>\u5173\u952e\u5b57\u5b9a\u4e49\u7684\u3002\u5e73\u65b9\u51fd\u6570\u53ef\u4ee5\u7b80\u5355\u5730\u5b9a\u4e49\u4e3a\u63a5\u53d7\u4e00\u4e2a\u53c2\u6570\u5e76\u8fd4\u56de\u5176\u5e73\u65b9\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u672c\u7684\u5e73\u65b9\u51fd\u6570\u5b9a\u4e49\uff1a<\/p>\n<\/p>\n

def square(x):<\/p>\n
    return x  2<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0csquare<\/code>\u662f\u51fd\u6570\u540d\u79f0\uff0cx<\/code>\u662f\u8f93\u5165\u53c2\u6570\uff0cx  2<\/code>\u662f\u8ba1\u7b97\u5e73\u65b9\u7684\u8868\u8fbe\u5f0f\uff0creturn<\/code>\u8bed\u53e5\u8fd4\u56de\u8ba1\u7b97\u7ed3\u679c\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u63a5\u53d7\u8f93\u5165\u53c2\u6570<\/h3>\n<\/p>\n
\u51fd\u6570\u7684\u7075\u6d3b\u6027\u4f53\u73b0\u5728\u5b83\u53ef\u4ee5\u63a5\u53d7\u4e0d\u540c\u7684\u8f93\u5165\u53c2\u6570\u3002\u5728\u5e73\u65b9\u51fd\u6570\u4e2d\uff0c\u8f93\u5165\u53c2\u6570\u901a\u5e38\u662f\u4e00\u4e2a\u6570\u503c\u3002Python\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u56e0\u6b64\u5e73\u65b9\u51fd\u6570\u7684\u8f93\u5165\u53ef\u4ee5\u662f\u6574\u6570\u3001\u6d6e\u70b9\u6570\u751a\u81f3\u662f\u590d\u6570\u3002\u4e3a\u4e86\u786e\u4fdd\u51fd\u6570\u7684\u901a\u7528\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528\u7c7b\u578b\u68c0\u67e5\u6765\u9a8c\u8bc1\u8f93\u5165\u53c2\u6570\u7684\u6709\u6548\u6027\u3002<\/p>\n<\/p>\n
def square(x):<\/p>\n
    if not isinstance(x, (int, float, complex)):<\/p>\n
        rAI<\/a>se ValueError("Input must be a number")<\/p>\n
    return x  2<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u91cc\uff0cisinstance<\/code>\u51fd\u6570\u7528\u4e8e\u68c0\u67e5x<\/code>\u662f\u5426\u4e3a\u6574\u6570\u3001\u6d6e\u70b9\u6570\u6216\u590d\u6570\u3002\u5982\u679cx<\/code>\u4e0d\u662f\u8fd9\u4e9b\u7c7b\u578b\u4e4b\u4e00\uff0c\u5219\u629b\u51fa\u4e00\u4e2aValueError<\/code>\u5f02\u5e38\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u8ba1\u7b97\u5e73\u65b9\u503c<\/h3>\n<\/p>\n
\u5e73\u65b9\u503c\u7684\u8ba1\u7b97\u5728Python\u4e2d\u975e\u5e38\u76f4\u89c2\u3002\u901a\u8fc7\u4f7f\u7528\u5e42\u8fd0\u7b97\u7b26<\/code>\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u8ba1\u7b97\u8f93\u5165\u53c2\u6570\u7684\u5e73\u65b9\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u7b80\u5355\u800c\u4e14\u9ad8\u6548\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u5e94\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n
def square(x):<\/p>\n
    return x  2<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u6b64\u5916\uff0cPython\u7684\u7b97\u672f\u8fd0\u7b97\u7b26\u652f\u6301\u590d\u6570\u8fd0\u7b97\uff0c\u56e0\u6b64\u5e73\u65b9\u51fd\u6570\u53ef\u4ee5\u5904\u7406\u590d\u6570\u8f93\u5165\uff1a<\/p>\n<\/p>\n
def square(x):<\/p>\n
    return x.real <strong> 2 + 2 * x.real * x.imag * 1j - x.imag <\/strong> 2<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u6b64\u4f8b\u4e2d\uff0c\u901a\u8fc7\u5bf9\u590d\u6570\u7684\u5b9e\u90e8\u548c\u865a\u90e8\u8fdb\u884c\u8fd0\u7b97\u5f97\u5230\u5e73\u65b9\u7ed3\u679c\u3002<\/p>\n<\/p>\n
\u56db\u3001\u8fd4\u56de\u7ed3\u679c<\/h3>\n<\/p>\n
\u5728\u51fd\u6570\u4e2d\uff0creturn<\/code>\u8bed\u53e5\u7528\u4e8e\u5c06\u8ba1\u7b97\u7ed3\u679c\u8fd4\u56de\u7ed9\u8c03\u7528\u65b9\u3002\u5e73\u65b9\u51fd\u6570\u7684\u7ed3\u679c\u662f\u4e00\u4e2a\u6570\u503c\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u8f93\u5165\u53c2\u6570\u7684\u7c7b\u578b\u3002\u5982\u679c\u8f93\u5165\u53c2\u6570\u662f\u6574\u6570\uff0c\u7ed3\u679c\u4e5f\u662f\u6574\u6570\uff1b\u5982\u679c\u8f93\u5165\u53c2\u6570\u662f\u6d6e\u70b9\u6570\u6216\u590d\u6570\uff0c\u7ed3\u679c\u5c06\u662f\u6d6e\u70b9\u6570\u6216\u590d\u6570\u3002<\/p>\n<\/p>\n
def square(x):<\/p>\n
    result = x  2<\/p>\n
    return result<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u51fd\u6570\u7684\u5e94\u7528\u4e0e\u6269\u5c55<\/h3>\n<\/p>\n
\u5e73\u65b9\u51fd\u6570\u5728\u6570\u5b66\u8ba1\u7b97\u3001\u6570\u636e\u5206\u6790\u548c\u79d1\u5b66\u7814\u7a76\u4e2d\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u5728\u6570\u636e\u5904\u7406\u4e2d\uff0c\u5e73\u65b9\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u8ba1\u7b97\u65b9\u5dee\u3001\u6807\u51c6\u5dee\u7b49\u7edf\u8ba1\u91cf\u3002\u5728\u7269\u7406\u5b66\u4e2d\uff0c\u5e73\u65b9\u51fd\u6570\u7528\u4e8e\u63cf\u8ff0\u80fd\u91cf\u3001\u901f\u5ea6\u7b49\u7269\u7406\u91cf\u7684\u5173\u7cfb\u3002<\/p>\n<\/p>\n
1\u3001\u8ba1\u7b97\u65b9\u5dee\u548c\u6807\u51c6\u5dee<\/h4>\n<\/p>\n
\u65b9\u5dee\u548c\u6807\u51c6\u5dee\u662f\u6570\u636e\u5206\u6790\u4e2d\u7684\u91cd\u8981\u6307\u6807\u3002\u5e73\u65b9\u51fd\u6570\u53ef\u7528\u4e8e\u8ba1\u7b97\u5355\u4e2a\u6570\u636e\u70b9\u4e0e\u5747\u503c\u7684\u5e73\u65b9\u5dee\uff0c\u4ece\u800c\u5f97\u5230\u65b9\u5dee\u548c\u6807\u51c6\u5dee\u3002<\/p>\n<\/p>\n
def variance(data):<\/p>\n
    mean = sum(data) \/ len(data)<\/p>\n
    return sum((x - mean)  2 for x in data) \/ len(data)<\/p>\n
def standard_deviation(data):<\/p>\n
    return variance(data)  0.5<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u6b64\u4f8b\u4e2d\uff0cvariance<\/code>\u51fd\u6570\u8ba1\u7b97\u6570\u636e\u96c6\u7684\u65b9\u5dee\uff0cstandard_deviation<\/code>\u51fd\u6570\u8ba1\u7b97\u6807\u51c6\u5dee\u3002<\/p>\n<\/p>\n
2\u3001\u7269\u7406\u5b66\u4e2d\u7684\u5e94\u7528<\/h4>\n<\/p>\n
\u5728\u7269\u7406\u5b66\u4e2d\uff0c\u5e73\u65b9\u51fd\u6570\u7528\u4e8e\u63cf\u8ff0\u80fd\u91cf\u4e0e\u901f\u5ea6\u7684\u5173\u7cfb\u3002\u4f8b\u5982\uff0c\u52a8\u80fd\u4e0e\u901f\u5ea6\u7684\u5e73\u65b9\u6210\u6b63\u6bd4\uff1a<\/p>\n<\/p>\n
def kinetic_energy(mass, velocity):<\/p>\n
    return 0.5 * mass * velocity  2<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u6b64\u4f8b\u4e2d\uff0ckinetic_energy<\/code>\u51fd\u6570\u8ba1\u7b97\u7269\u4f53\u7684\u52a8\u80fd\uff0c\u5176\u4e2dmass<\/code>\u662f\u8d28\u91cf\uff0cvelocity<\/code>\u662f\u901f\u5ea6\u3002<\/p>\n<\/p>\n
\u516d\u3001\u4f7f\u7528Lambda\u51fd\u6570\u7b80\u5316\u5e73\u65b9\u8ba1\u7b97<\/h3>\n<\/p>\n
\u9664\u4e86\u4f7f\u7528def<\/code>\u5173\u952e\u5b57\u5b9a\u4e49\u51fd\u6570\u5916\uff0cPython\u8fd8\u652f\u6301\u4f7f\u7528lambda<\/code>\u8868\u8fbe\u5f0f\u5b9a\u4e49\u533f\u540d\u51fd\u6570\u3002Lambda\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u7b80\u5316\u7b80\u5355\u7684\u5e73\u65b9\u8fd0\u7b97\uff1a<\/p>\n<\/p>\n
square = lambda x: x  2<\/p>\n
<\/code><\/pre>\n<\/p>\n
Lambda\u51fd\u6570\u5b9a\u4e49\u4e86\u4e00\u4e2a\u533f\u540d\u51fd\u6570\uff0c\u63a5\u53d7\u4e00\u4e2a\u53c2\u6570x<\/code>\u5e76\u8fd4\u56de\u5176\u5e73\u65b9\u503c\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u5728\u5355\u884c\u4ee3\u7801\u4e2d\u5b9a\u4e49\u7b80\u5355\u51fd\u6570\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u7f16\u5236\u5e73\u65b9\u51fd\u6570\u5728Python\u4e2d\u662f\u4e00\u9879\u57fa\u672c\u4f46\u975e\u5e38\u91cd\u8981\u7684\u6280\u80fd\u3002\u901a\u8fc7\u5b9a\u4e49\u51fd\u6570\u3001\u63a5\u6536\u8f93\u5165\u53c2\u6570\u3001\u8ba1\u7b97\u5e73\u65b9\u503c\u5e76\u8fd4\u56de\u7ed3\u679c\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e2a\u529f\u80fd\u5b8c\u5907\u7684\u5e73\u65b9\u51fd\u6570\u3002\u5e73\u65b9\u51fd\u6570\u5728\u6570\u5b66\u8ba1\u7b97\u3001\u6570\u636e\u5206\u6790\u548c\u79d1\u5b66\u7814\u7a76\u4e2d\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u7ed3\u5408\u7c7b\u578b\u68c0\u67e5\u548c\u5f02\u5e38\u5904\u7406\u63d0\u9ad8\u51fd\u6570\u7684\u9c81\u68d2\u6027\uff0c\u5e76\u901a\u8fc7\u6269\u5c55\u51fd\u6570\u529f\u80fd\u6ee1\u8db3\u66f4\u591a\u573a\u666f\u7684\u9700\u6c42\u3002\u4f7f\u7528Lambda\u51fd\u6570\u53ef\u4ee5\u8fdb\u4e00\u6b65\u7b80\u5316\u5e73\u65b9\u8fd0\u7b97\u7684\u5b9e\u73b0\u3002\u901a\u8fc7\u4e0d\u65ad\u5b9e\u8df5\u548c\u5e94\u7528\uff0c\u60a8\u5c06\u80fd\u591f\u66f4\u597d\u5730\u7406\u89e3\u548c\u638c\u63e1\u5e73\u65b9\u51fd\u6570\u7684\u7f16\u5236\u548c\u5e94\u7528\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5b9a\u4e49\u5e73\u65b9\u51fd\u6570\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528def<\/code>\u5173\u952e\u5b57\u5b9a\u4e49\u4e00\u4e2a\u5e73\u65b9\u51fd\u6570\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a  <\/p>\n
def square(x):\n    return x ** 2\n<\/code><\/pre>\n
\u8fd9\u4e2a\u51fd\u6570\u63a5\u53d7\u4e00\u4e2a\u53c2\u6570x<\/code>\uff0c\u5e76\u8fd4\u56dex<\/code>\u7684\u5e73\u65b9\u503c\u3002<\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u5e73\u65b9\u51fd\u6570\u8fdb\u884c\u54ea\u4e9b\u6570\u5b66\u8ba1\u7b97\uff1f<\/strong>
\u5e73\u65b9\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u591a\u79cd\u6570\u5b66\u8ba1\u7b97\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1a\u8ba1\u7b97\u67d0\u4e2a\u6570\u7684\u5e73\u65b9\u3001\u5728\u7edf\u8ba1\u5b66\u4e2d\u8ba1\u7b97\u65b9\u5dee\u3001\u4ee5\u53ca\u5728\u7269\u7406\u5b66\u4e2d\u5904\u7406\u4e0e\u5e73\u65b9\u76f8\u5173\u7684\u516c\u5f0f\uff08\u5982\u52a8\u80fd\u516c\u5f0f\uff09\u3002\u901a\u8fc7\u5229\u7528\u5e73\u65b9\u51fd\u6570\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u8fd9\u4e9b\u8ba1\u7b97\uff0c\u800c\u65e0\u9700\u6bcf\u6b21\u624b\u52a8\u8fdb\u884c\u5e73\u65b9\u64cd\u4f5c\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u5904\u7406\u8d1f\u6570\u7684\u5e73\u65b9\uff1f<\/strong>
\u65e0\u8bba\u8f93\u5165\u7684\u6570\u5b57\u662f\u6b63\u6570\u8fd8\u662f\u8d1f\u6570\uff0c\u5e73\u65b9\u51fd\u6570\u90fd\u4f1a\u8fd4\u56de\u4e00\u4e2a\u975e\u8d1f\u7684\u7ed3\u679c\u3002\u8fd9\u662f\u56e0\u4e3a\u4efb\u4f55\u6570\u7684\u5e73\u65b9\u90fd\u662f\u6b63\u6570\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u9762\u5b9a\u4e49\u7684square<\/code>\u51fd\u6570\uff1a<\/p>\n
print(square(-3))  # \u8f93\u51fa 9\n<\/code><\/pre>\n
\u8fd9\u8868\u660e\u8d1f\u6570\u7684\u5e73\u65b9\u4e5f\u80fd\u6b63\u786e\u8ba1\u7b97\u5e76\u8fd4\u56de\u5e73\u65b9\u7ed3\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u7f16\u5236\u5e73\u65b9\u51fd\u6570\u7684\u6b65\u9aa4\u5305\u62ec\uff1a\u5b9a\u4e49\u51fd\u6570\u3001\u63a5\u6536\u8f93\u5165\u53c2\u6570\u3001\u8ba1\u7b97\u5e73\u65b9\u503c\u3001\u8fd4\u56de\u7ed3\u679c\u3002\u5728Python\u4e2d\uff0c\u7f16\u5236\u5e73\u65b9\u51fd\u6570\u7684\u8fc7\u7a0b\u76f8\u5bf9 […]","protected":false},"author":3,"featured_media":988986,"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\/988970"}],"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=988970"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/988970\/revisions"}],"predecessor-version":[{"id":988988,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/988970\/revisions\/988988"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/988986"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=988970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=988970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=988970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}