{"id":1157576,"date":"2025-01-13T18:30:24","date_gmt":"2025-01-13T10:30:24","guid":{"rendered":""},"modified":"2025-01-13T18:30:27","modified_gmt":"2025-01-13T10:30:27","slug":"python%e5%a6%82%e4%bd%95%e5%ae%9a%e4%b9%89%e9%95%bf%e6%95%b4%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1157576.html","title":{"rendered":"python\u5982\u4f55\u5b9a\u4e49\u957f\u6574\u6570"},"content":{"rendered":"

\"python\u5982\u4f55\u5b9a\u4e49\u957f\u6574\u6570\"<\/p>\n

Python\u5b9a\u4e49\u957f\u6574\u6570\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u76f4\u63a5\u4f7f\u7528int\u7c7b\u578b\u3001\u4f7f\u7528\u79d1\u5b66\u8ba1\u6570\u6cd5\u3001\u4f7f\u7528\u5341\u516d\u8fdb\u5236\u8868\u793a\u6cd5\u3001\u4f7f\u7528\u516b\u8fdb\u5236\u8868\u793a\u6cd5\u3002<\/strong> \u5728Python 3\u4e2d\uff0c\u6574\u578b\uff08int\uff09\u7c7b\u578b\u5df2\u7ecf\u80fd\u591f\u81ea\u52a8\u5904\u7406\u4efb\u610f\u5927\u5c0f\u7684\u6574\u6570\uff0c\u8fd9\u610f\u5473\u7740\u6211\u4eec\u65e0\u9700\u7279\u522b\u7684\u8bed\u6cd5\u6765\u5b9a\u4e49\u957f\u6574\u6570\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u63cf\u8ff0\u5176\u4e2d\u4e00\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u76f4\u63a5\u4f7f\u7528int\u7c7b\u578b\uff1a<\/strong> \u5728Python 3\u4e2d\uff0c\u6240\u6709\u6574\u6570\u9ed8\u8ba4\u90fd\u662fint\u7c7b\u578b\uff0c\u4e0d\u7ba1\u5b83\u4eec\u7684\u5927\u5c0f\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

long_integer = 1234567890123456789012345678901234567890<\/p>\n
print(long_integer)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u76f4\u63a5\u5c06\u4e00\u4e2a\u975e\u5e38\u5927\u7684\u6574\u6570\u8d4b\u503c\u7ed9\u53d8\u91cflong_integer<\/code>\uff0cPython\u4f1a\u81ea\u52a8\u5904\u7406\u8fd9\u4e2a\u957f\u6574\u6570\uff0c\u65e0\u9700\u7279\u522b\u58f0\u660e\u3002\u8fd9\u4e2a\u7279\u6027\u4f7f\u5f97\u5728\u8ba1\u7b97\u5927\u6570\u65f6\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<\/p>\n
\n
\u4e00\u3001PYTHON\u4e2d\u7684\u6574\u6570\u7c7b\u578b<\/h2>\n<\/p>\n
1\u3001Python 3\u4e2d\u7684\u6574\u6570\u5904\u7406<\/h3>\n<\/p>\n
Python 3\u4e2d\u7684\u6574\u578b\uff08int\uff09\u7c7b\u578b\u5df2\u7ecf\u80fd\u591f\u81ea\u52a8\u5904\u7406\u4efb\u610f\u5927\u5c0f\u7684\u6574\u6570\uff0c\u8fd9\u610f\u5473\u7740\u6211\u4eec\u65e0\u9700\u7279\u522b\u7684\u8bed\u6cd5\u6765\u5b9a\u4e49\u957f\u6574\u6570\u3002Python 3\u5c06\u4e4b\u524d\u7684long<\/code>\u7c7b\u578b\u5408\u5e76\u5230int<\/code>\u7c7b\u578b\u4e2d\uff0c\u73b0\u5728\u7684int<\/code>\u7c7b\u578b\u53ef\u4ee5\u5904\u7406\u4efb\u610f\u7cbe\u5ea6\u7684\u6574\u6570\u3002\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<\/p>\n
n = 123456789012345678901234567890<\/p>\n
print(type(n))  # <class 'int'><\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u975e\u5e38\u5927\u7684\u6574\u6570n<\/code>\uff0c\u5e76\u4f7f\u7528type<\/code>\u51fd\u6570\u68c0\u67e5\u5176\u7c7b\u578b\uff0c\u7ed3\u679c\u663e\u793a\u5b83\u662f<class 'int'><\/code>\u3002<\/p>\n<\/p>\n
2\u3001Python 2\u4e2d\u7684\u6574\u6570\u5904\u7406<\/h3>\n<\/p>\n
\u5728Python 2\u4e2d\uff0c\u5b58\u5728\u4e24\u79cd\u6574\u6570\u7c7b\u578b\uff1aint<\/code>\u548clong<\/code>\u3002int<\/code>\u7c7b\u578b\u7528\u4e8e\u8868\u793a\u673a\u5668\u5b57\u5927\u5c0f\u7684\u6574\u6570\uff0c\u800clong<\/code>\u7c7b\u578b\u7528\u4e8e\u8868\u793a\u4efb\u610f\u5927\u5c0f\u7684\u6574\u6570\u3002\u8981\u5b9a\u4e49\u4e00\u4e2along<\/code>\u7c7b\u578b\u7684\u6574\u6570\uff0c\u53ef\u4ee5\u5728\u6570\u5b57\u540e\u9762\u52a0\u4e0a\u5b57\u6bcdL<\/code>\u6216l<\/code>\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
n = 12345678901234567890L<\/p>\n
print(type(n))  # <type 'long'><\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5728\u4e00\u4e2a\u5927\u6574\u6570\u540e\u9762\u52a0\u4e0a\u5b57\u6bcdL<\/code>\uff0c\u5c06\u5176\u5b9a\u4e49\u4e3along<\/code>\u7c7b\u578b\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u79d1\u5b66\u8ba1\u6570\u6cd5\u8868\u793a\u957f\u6574\u6570<\/h2>\n<\/p>\n
1\u3001\u57fa\u672c\u7528\u6cd5<\/h3>\n<\/p>\n
\u79d1\u5b66\u8ba1\u6570\u6cd5\u662f\u4e00\u79cd\u8868\u793a\u975e\u5e38\u5927\u6216\u975e\u5e38\u5c0f\u7684\u6570\u7684\u65b9\u6cd5\uff0c\u901a\u5e38\u4f7f\u7528e<\/code>\u6216E<\/code>\u8868\u793a10\u7684\u5e42\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
n = 1.23e10<\/p>\n
print(n)  # 12300000000.0<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c1.23e10<\/code>\u8868\u793a1.23<\/code>\u4e58\u4ee510<\/code>\u768410\u6b21\u65b9\uff0c\u537312300000000<\/code>\u3002<\/p>\n<\/p>\n
2\u3001\u5728\u6574\u578b\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n
\u5c3d\u7ba1\u79d1\u5b66\u8ba1\u6570\u6cd5\u901a\u5e38\u7528\u4e8e\u6d6e\u70b9\u6570\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u8868\u793a\u975e\u5e38\u5927\u7684\u6574\u6570\u3002\u6211\u4eec\u53ef\u4ee5\u5c06\u79d1\u5b66\u8ba1\u6570\u6cd5\u7684\u7ed3\u679c\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
n = int(1.23e10)<\/p>\n
print(n)  # 12300000000<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528int<\/code>\u51fd\u6570\u5c06\u79d1\u5b66\u8ba1\u6570\u6cd5\u8868\u793a\u7684\u6d6e\u70b9\u6570\u8f6c\u6362\u4e3a\u6574\u6570\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u5341\u516d\u8fdb\u5236\u8868\u793a\u6cd5<\/h2>\n<\/p>\n
1\u3001\u57fa\u672c\u7528\u6cd5<\/h3>\n<\/p>\n
\u5341\u516d\u8fdb\u5236\u662f\u4e00\u79cd\u57fa\u6570\u4e3a16\u7684\u6570\u503c\u7cfb\u7edf\uff0c\u4f7f\u75280-9\u548cA-F\u6765\u8868\u793a\u6570\u503c\u3002\u8981\u5b9a\u4e49\u4e00\u4e2a\u5341\u516d\u8fdb\u5236\u6570\uff0c\u53ef\u4ee5\u5728\u6570\u5b57\u524d\u9762\u52a0\u4e0a0x<\/code>\u62160X<\/code>\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
n = 0x1a<\/p>\n
print(n)  # 26<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c0x1a<\/code>\u8868\u793a\u5341\u516d\u8fdb\u5236\u65701a<\/code>\uff0c\u5176\u5341\u8fdb\u5236\u503c\u4e3a26\u3002<\/p>\n<\/p>\n
2\u3001\u957f\u6574\u6570\u7684\u8868\u793a<\/h3>\n<\/p>\n
\u5341\u516d\u8fdb\u5236\u8868\u793a\u6cd5\u5728\u8868\u793a\u957f\u6574\u6570\u65f6\u4e5f\u975e\u5e38\u65b9\u4fbf\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
n = 0x1234567890abcdef<\/p>\n
print(n)  # 1311768467463790320<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u5341\u516d\u8fdb\u5236\u8868\u793a\u6cd5\u5b9a\u4e49\u4e86\u4e00\u4e2a\u975e\u5e38\u5927\u7684\u6574\u6570\u3002<\/p>\n<\/p>\n
\u56db\u3001\u516b\u8fdb\u5236\u8868\u793a\u6cd5<\/h2>\n<\/p>\n
1\u3001\u57fa\u672c\u7528\u6cd5<\/h3>\n<\/p>\n
\u516b\u8fdb\u5236\u662f\u4e00\u79cd\u57fa\u6570\u4e3a8\u7684\u6570\u503c\u7cfb\u7edf\uff0c\u4f7f\u75280-7\u6765\u8868\u793a\u6570\u503c\u3002\u8981\u5b9a\u4e49\u4e00\u4e2a\u516b\u8fdb\u5236\u6570\uff0c\u53ef\u4ee5\u5728\u6570\u5b57\u524d\u9762\u52a0\u4e0a0o<\/code>\u62160O<\/code>\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
n = 0o12<\/p>\n
print(n)  # 10<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c0o12<\/code>\u8868\u793a\u516b\u8fdb\u5236\u657012<\/code>\uff0c\u5176\u5341\u8fdb\u5236\u503c\u4e3a10\u3002<\/p>\n<\/p>\n
2\u3001\u957f\u6574\u6570\u7684\u8868\u793a<\/h3>\n<\/p>\n
\u516b\u8fdb\u5236\u8868\u793a\u6cd5\u5728\u8868\u793a\u957f\u6574\u6570\u65f6\u4e5f\u80fd\u6d3e\u4e0a\u7528\u573a\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
n = 0o123456701234<\/p>\n
print(n)  # 27391262580<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u516b\u8fdb\u5236\u8868\u793a\u6cd5\u5b9a\u4e49\u4e86\u4e00\u4e2a\u975e\u5e38\u5927\u7684\u6574\u6570\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4e8c\u8fdb\u5236\u8868\u793a\u6cd5<\/h2>\n<\/p>\n
1\u3001\u57fa\u672c\u7528\u6cd5<\/h3>\n<\/p>\n
\u4e8c\u8fdb\u5236\u662f\u4e00\u79cd\u57fa\u6570\u4e3a2\u7684\u6570\u503c\u7cfb\u7edf\uff0c\u4f7f\u75280\u548c1\u6765\u8868\u793a\u6570\u503c\u3002\u8981\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u8fdb\u5236\u6570\uff0c\u53ef\u4ee5\u5728\u6570\u5b57\u524d\u9762\u52a0\u4e0a0b<\/code>\u62160B<\/code>\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
n = 0b1010<\/p>\n
print(n)  # 10<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c0b1010<\/code>\u8868\u793a\u4e8c\u8fdb\u5236\u65701010<\/code>\uff0c\u5176\u5341\u8fdb\u5236\u503c\u4e3a10\u3002<\/p>\n<\/p>\n
2\u3001\u957f\u6574\u6570\u7684\u8868\u793a<\/h3>\n<\/p>\n
\u4e8c\u8fdb\u5236\u8868\u793a\u6cd5\u5728\u8868\u793a\u957f\u6574\u6570\u65f6\u4e5f\u975e\u5e38\u65b9\u4fbf\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
n = 0b110100111011000100000111<\/p>\n
print(n)  # 13758247<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e8c\u8fdb\u5236\u8868\u793a\u6cd5\u5b9a\u4e49\u4e86\u4e00\u4e2a\u975e\u5e38\u5927\u7684\u6574\u6570\u3002<\/p>\n<\/p>\n
\u516d\u3001Python\u4e2d\u7684\u5927\u6574\u6570\u8fd0\u7b97<\/h2>\n<\/p>\n
1\u3001\u52a0\u6cd5<\/h3>\n<\/p>\n
Python\u4e2d\u7684\u6574\u578b\uff08int\uff09\u7c7b\u578b\u53ef\u4ee5\u5904\u7406\u4efb\u610f\u5927\u5c0f\u7684\u6574\u6570\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u5bf9\u5927\u6574\u6570\u8fdb\u884c\u52a0\u6cd5\u8fd0\u7b97\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
a = 12345678901234567890<\/p>\n
b = 98765432109876543210<\/p>\n
result = a + b<\/p>\n
print(result)  # 111111111011111111100<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5bf9\u4e24\u4e2a\u975e\u5e38\u5927\u7684\u6574\u6570a<\/code>\u548cb<\/code>\u8fdb\u884c\u52a0\u6cd5\u8fd0\u7b97\uff0c\u7ed3\u679c\u4e3a111111111011111111100<\/code>\u3002<\/p>\n<\/p>\n
2\u3001\u51cf\u6cd5<\/h3>\n<\/p>\n
\u540c\u6837\u5730\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u76f4\u63a5\u5bf9\u5927\u6574\u6570\u8fdb\u884c\u51cf\u6cd5\u8fd0\u7b97\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
a = 98765432109876543210<\/p>\n
b = 12345678901234567890<\/p>\n
result = a - b<\/p>\n
print(result)  # 86419753208641975320<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5bf9\u4e24\u4e2a\u975e\u5e38\u5927\u7684\u6574\u6570a<\/code>\u548cb<\/code>\u8fdb\u884c\u51cf\u6cd5\u8fd0\u7b97\uff0c\u7ed3\u679c\u4e3a86419753208641975320<\/code>\u3002<\/p>\n<\/p>\n
3\u3001\u4e58\u6cd5<\/h3>\n<\/p>\n
Python\u4e2d\u7684\u6574\u578b\uff08int\uff09\u7c7b\u578b\u8fd8\u652f\u6301\u5bf9\u5927\u6574\u6570\u8fdb\u884c\u4e58\u6cd5\u8fd0\u7b97\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
a = 12345678901234567890<\/p>\n
b = 98765432109876543210<\/p>\n
result = a * b<\/p>\n
print(result)  # 1219326311370217952237463801111263526900<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5bf9\u4e24\u4e2a\u975e\u5e38\u5927\u7684\u6574\u6570a<\/code>\u548cb<\/code>\u8fdb\u884c\u4e58\u6cd5\u8fd0\u7b97\uff0c\u7ed3\u679c\u4e3a1219326311370217952237463801111263526900<\/code>\u3002<\/p>\n<\/p>\n
4\u3001\u9664\u6cd5<\/h3>\n<\/p>\n
Python\u4e2d\u7684\u6574\u578b\uff08int\uff09\u7c7b\u578b\u540c\u6837\u652f\u6301\u5bf9\u5927\u6574\u6570\u8fdb\u884c\u9664\u6cd5\u8fd0\u7b97\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
a = 98765432109876543210<\/p>\n
b = 12345678901234567890<\/p>\n
result = a \/\/ b<\/p>\n
print(result)  # 8<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5bf9\u4e24\u4e2a\u975e\u5e38\u5927\u7684\u6574\u6570a<\/code>\u548cb<\/code>\u8fdb\u884c\u6574\u9664\u8fd0\u7b97\uff0c\u7ed3\u679c\u4e3a8<\/code>\u3002<\/p>\n<\/p>\n
5\u3001\u6c42\u4f59<\/h3>\n<\/p>\n
\u6211\u4eec\u8fd8\u53ef\u4ee5\u5bf9\u5927\u6574\u6570\u8fdb\u884c\u6c42\u4f59\u8fd0\u7b97\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
a = 98765432109876543210<\/p>\n
b = 12345678901234567890<\/p>\n
result = a % b<\/p>\n
print(result)  # 900000000090<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5bf9\u4e24\u4e2a\u975e\u5e38\u5927\u7684\u6574\u6570a<\/code>\u548cb<\/code>\u8fdb\u884c\u6c42\u4f59\u8fd0\u7b97\uff0c\u7ed3\u679c\u4e3a900000000090<\/code>\u3002<\/p>\n<\/p>\n
6\u3001\u5e42\u8fd0\u7b97<\/h3>\n<\/p>\n
Python\u4e2d\u7684\u6574\u578b\uff08int\uff09\u7c7b\u578b\u652f\u6301\u5bf9\u5927\u6574\u6570\u8fdb\u884c\u5e42\u8fd0\u7b97\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
a = 1234567890<\/p>\n
b = 2<\/p>\n
result = a  b<\/p>\n
print(result)  # 1524157875019052100<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5bf9\u5927\u6574\u6570a<\/code>\u8fdb\u884c\u5e42\u8fd0\u7b97\uff08\u5e73\u65b9\uff09\uff0c\u7ed3\u679c\u4e3a1524157875019052100<\/code>\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528decimal<\/code>\u6a21\u5757\u8fdb\u884c\u9ad8\u7cbe\u5ea6\u8fd0\u7b97<\/h2>\n<\/p>\n
\u5c3d\u7ba1Python\u4e2d\u7684\u6574\u578b\uff08int\uff09\u7c7b\u578b\u53ef\u4ee5\u5904\u7406\u4efb\u610f\u5927\u5c0f\u7684\u6574\u6570\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u66f4\u9ad8\u7cbe\u5ea6\u7684\u6570\u503c\u8fd0\u7b97\u3002\u6b64\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528decimal<\/code>\u6a21\u5757\u3002decimal<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u5bf9\u5341\u8fdb\u5236\u6d6e\u70b9\u6570\u7684\u652f\u6301\uff0c\u53ef\u4ee5\u8fdb\u884c\u9ad8\u7cbe\u5ea6\u7684\u6570\u503c\u8fd0\u7b97\u3002<\/p>\n<\/p>\n
1\u3001\u57fa\u672c\u7528\u6cd5<\/h3>\n<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5bfc\u5165decimal<\/code>\u6a21\u5757\u5e76\u521b\u5efa\u4e00\u4e2aDecimal<\/code>\u5bf9\u8c61\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
from decimal import Decimal<\/p>\n
a = Decimal('1234567890.1234567890')<\/p>\n
b = Decimal('9876543210.9876543210')<\/p>\n
result = a + b<\/p>\n
print(result)  # 11111111101.1111111100<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Decimal<\/code>\u5bf9\u8c61\u521b\u5efa\u4e86\u4e24\u4e2a\u9ad8\u7cbe\u5ea6\u7684\u5341\u8fdb\u5236\u6570\uff0c\u5e76\u5bf9\u5b83\u4eec\u8fdb\u884c\u52a0\u6cd5\u8fd0\u7b97\u3002<\/p>\n<\/p>\n
2\u3001\u7cbe\u5ea6\u8bbe\u7f6e<\/h3>\n<\/p>\n
\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528decimal<\/code>\u6a21\u5757\u8bbe\u7f6e\u6570\u503c\u8fd0\u7b97\u7684\u7cbe\u5ea6\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
from decimal import Decimal, getcontext<\/p>\n
getcontext().prec = 50<\/p>\n
a = Decimal('12345678901234567890.12345678901234567890')<\/p>\n
b = Decimal('98765432109876543210.98765432109876543210')<\/p>\n
result = a * b<\/p>\n
print(result)  # 1219326311370217952237463801111263526900.010204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918367346938775510204081632653061224489795918<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u957f\u6574\u6570\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u957f\u6574\u6570\u901a\u5e38\u662f\u6307\u6574\u6570\u7c7b\u578b\uff0c\u5176\u503c\u8d85\u51fa\u4e86\u6807\u51c6\u6574\u6570\u7684\u8303\u56f4\u3002\u5b9e\u9645\u4e0a\uff0c\u4ecePython 3\u5f00\u59cb\uff0c\u6574\u578b\uff08int\uff09\u5df2\u7ecf\u53ef\u4ee5\u81ea\u52a8\u5904\u7406\u4efb\u610f\u5927\u5c0f\u7684\u6574\u6570\uff0c\u56e0\u6b64\u7528\u6237\u65e0\u9700\u7279\u522b\u5b9a\u4e49\u957f\u6574\u6570\uff0c\u53ea\u9700\u76f4\u63a5\u8d4b\u503c\u5373\u53ef\u3002\u4f8b\u5982\uff0clarge_number = 123456789012345678901234567890<\/code>\uff0cPython\u4f1a\u81ea\u52a8\u5c06\u5176\u89c6\u4e3a\u957f\u6574\u6570\u3002<\/p>\n
\u5728Python\u4e2d\u957f\u6574\u6570\u7684\u6700\u5927\u503c\u662f\u591a\u5c11\uff1f<\/strong>
Python\u7684\u6574\u578b\u6ca1\u6709\u56fa\u5b9a\u7684\u6700\u5927\u503c\uff0c\u7406\u8bba\u4e0a\u53ea\u53d7\u9650\u4e8e\u7cfb\u7edf\u5185\u5b58\u3002\u5728Python 3\u4e2d\uff0c\u6574\u6570\u7c7b\u578b\u4f1a\u6839\u636e\u9700\u8981\u81ea\u52a8\u6269\u5c55\uff0c\u53ea\u8981\u8ba1\u7b97\u673a\u6709\u8db3\u591f\u7684\u5185\u5b58\u53ef\u7528\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u6781\u5927\u7684\u6574\u6570\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u5904\u7406\u957f\u6574\u6570\u7684\u8fd0\u7b97\uff1f<\/strong>
\u957f\u6574\u6570\u7684\u8fd0\u7b97\u4e0e\u666e\u901a\u6574\u6570\u76f8\u540c\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u8fdb\u884c\u52a0\u3001\u51cf\u3001\u4e58\u3001\u9664\u7b49\u57fa\u672c\u8fd0\u7b97\u3002Python\u4f1a\u81ea\u52a8\u5904\u7406\u8fd9\u4e9b\u8fd0\u7b97\uff0c\u65e0\u9700\u7528\u6237\u8fdb\u884c\u989d\u5916\u7684\u64cd\u4f5c\u3002\u4f8b\u5982\uff0cresult = large_number + 123456789<\/code> \u4f1a\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u957f\u6574\u6570\uff0c\u5305\u542b\u8fd0\u7b97\u7ed3\u679c\u3002\u4f7f\u7528Python\u65f6\u53ef\u4ee5\u8f7b\u677e\u5904\u7406\u8fd9\u4e9b\u5927\u6570\u8ba1\u7b97\uff0c\u786e\u4fdd\u7cbe\u5ea6\u4e0d\u4f1a\u4e22\u5931\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u5b9a\u4e49\u957f\u6574\u6570\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u76f4\u63a5\u4f7f\u7528int\u7c7b\u578b\u3001\u4f7f\u7528\u79d1\u5b66\u8ba1\u6570\u6cd5\u3001\u4f7f\u7528\u5341\u516d\u8fdb\u5236\u8868\u793a\u6cd5\u3001\u4f7f\u7528\u516b\u8fdb\u5236\u8868\u793a\u6cd5\u3002 […]","protected":false},"author":3,"featured_media":1157582,"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\/1157576"}],"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=1157576"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1157576\/revisions"}],"predecessor-version":[{"id":1157583,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1157576\/revisions\/1157583"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1157582"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1157576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1157576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1157576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}