{"id":1152976,"date":"2025-01-13T17:33:10","date_gmt":"2025-01-13T09:33:10","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1152976.html"},"modified":"2025-01-13T17:33:16","modified_gmt":"2025-01-13T09:33:16","slug":"python%e5%a6%82%e4%bd%95%e8%a1%a8%e7%a4%ba%e5%85%a8%e9%83%a8%e6%95%b4%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1152976.html","title":{"rendered":"python\u5982\u4f55\u8868\u793a\u5168\u90e8\u6574\u6570"},"content":{"rendered":"

\"python\u5982\u4f55\u8868\u793a\u5168\u90e8\u6574\u6570\"<\/p>\n

Python\u4e2d\u8868\u793a\u5168\u90e8\u6574\u6570\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528int<\/code>\u7c7b\u578b\u3001\u4f7f\u7528sys<\/code>\u6a21\u5757\u4e2d\u7684maxsize<\/code>\u548cminsize<\/code>\u3001\u4f7f\u7528long<\/code>\u7c7b\u578b\uff08\u5728Python 2\u4e2d\uff09<\/strong>\u3002\u5176\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528int<\/code>\u7c7b\u578b\uff0c\u8fd9\u79cd\u7c7b\u578b\u5728Python 3\u4e2d\u53ef\u4ee5\u8868\u793a\u4efb\u610f\u7cbe\u5ea6\u7684\u6574\u6570\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u51e0\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528int<\/code>\u7c7b\u578b<\/h3>\n<\/p>\n

\u5728Python 3\u4e2d\uff0cint<\/code>\u7c7b\u578b\u53ef\u4ee5\u8868\u793a\u4efb\u610f\u7cbe\u5ea6\u7684\u6574\u6570\u3002\u8fd9\u610f\u5473\u7740\u4f60\u53ef\u4ee5\u8868\u793a\u975e\u5e38\u5927\u7684\u6574\u6570\uff0c\u800c\u4e0d\u5fc5\u62c5\u5fc3\u6ea2\u51fa\u95ee\u9898\u3002<\/p>\n<\/p>\n

\u793a\u4f8b\uff1a<\/h4>\n<\/p>\n

a = 123456789012345678901234567890<\/p>\n
b = -987654321098765432109876543210<\/p>\n
print(a)<\/p>\n
print(b)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u7b80\u5355\u6613\u7528\uff0c\u5e76\u4e14\u80fd\u591f\u5904\u7406\u975e\u5e38\u5927\u7684\u6574\u6570\u3002\u4f46\u662f\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u64cd\u4f5c\u975e\u5e38\u5927\u7684\u6574\u6570\u65f6\uff0c\u8ba1\u7b97\u7684\u65f6\u95f4\u548c\u5185\u5b58\u6d88\u8017\u4f1a\u589e\u52a0\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528sys<\/code>\u6a21\u5757\u4e2d\u7684maxsize<\/code>\u548cminsize<\/code><\/h3>\n<\/p>\n
\u5728\u4e00\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u77e5\u9053\u5f53\u524d\u73af\u5883\u4e0b\u6574\u6570\u7684\u6700\u5927\u503c\u548c\u6700\u5c0f\u503c\u3002Python\u7684sys<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86maxsize<\/code>\u548cminsize<\/code>\u5c5e\u6027\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u83b7\u53d6\u8fd9\u4e9b\u4fe1\u606f\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/h4>\n<\/p>\n
import sys<\/p>\n
print(sys.maxsize)  # \u8f93\u51fa\u5f53\u524d\u73af\u5883\u4e0b\u6574\u6570\u7684\u6700\u5927\u503c<\/p>\n
print(-sys.maxsize - 1)  # \u8f93\u51fa\u5f53\u524d\u73af\u5883\u4e0b\u6574\u6570\u7684\u6700\u5c0f\u503c<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u80fd\u591f\u83b7\u53d6\u5f53\u524d\u7cfb\u7edf\u73af\u5883\u4e0b\u6574\u6570\u7684\u6700\u5927\u8303\u56f4\uff0c\u4f46\u5728Python 3\u4e2d\uff0c\u7531\u4e8eint<\/code>\u7c7b\u578b\u53ef\u4ee5\u8868\u793a\u4efb\u610f\u7cbe\u5ea6\u7684\u6574\u6570\uff0c\u8fd9\u79cd\u65b9\u6cd5\u7684\u5b9e\u9645\u5e94\u7528\u573a\u666f\u8f83\u5c11\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528long<\/code>\u7c7b\u578b\uff08\u5728Python 2\u4e2d\uff09<\/h3>\n<\/p>\n
\u5728Python 2\u4e2d\uff0c\u6709\u4e24\u79cd\u8868\u793a\u6574\u6570\u7684\u7c7b\u578b\uff1aint<\/code>\u548clong<\/code>\u3002\u5176\u4e2d\uff0cint<\/code>\u7c7b\u578b\u6709\u8303\u56f4\u9650\u5236\uff0c\u800clong<\/code>\u7c7b\u578b\u5219\u53ef\u4ee5\u8868\u793a\u4efb\u610f\u7cbe\u5ea6\u7684\u6574\u6570\u3002\u5728Python 3\u4e2d\uff0clong<\/code>\u7c7b\u578b\u88ab\u5e9f\u5f03\uff0cint<\/code>\u7c7b\u578b\u7edf\u4e00\u4e86\u8fd9\u4e24\u79cd\u7c7b\u578b\u7684\u529f\u80fd\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/h4>\n<\/p>\n
a = 12345678901234567890L<\/p>\n
b = -98765432109876543210L<\/p>\n
print(a)<\/p>\n
print(b)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u7531\u4e8ePython 3\u4e2d\u5df2\u7ecf\u5e9f\u5f03\u4e86long<\/code>\u7c7b\u578b\uff0c\u6240\u4ee5\u5728\u73b0\u4ee3Python\u7f16\u7a0b\u4e2d\uff0c\u4e0d\u5efa\u8bae\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u56db\u3001\u6574\u6570\u64cd\u4f5c\u7684\u6ce8\u610f\u4e8b\u9879<\/h3>\n<\/p>\n
\u5728\u4f7f\u7528Python\u5904\u7406\u6574\u6570\u65f6\uff0c\u6709\u4e00\u4e9b\u64cd\u4f5c\u9700\u8981\u7279\u522b\u6ce8\u610f\uff0c\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<\/p>\n
1. \u6ea2\u51fa\u95ee\u9898\uff1a<\/h4>\n<\/p>\n
\u867d\u7136Python 3\u4e2d\u7684int<\/code>\u7c7b\u578b\u53ef\u4ee5\u8868\u793a\u4efb\u610f\u7cbe\u5ea6\u7684\u6574\u6570\uff0c\u4f46\u5728\u67d0\u4e9b\u7f16\u7a0b\u8bed\u8a00\u4e2d\uff0c\u6574\u6570\u662f\u6709\u8303\u56f4\u9650\u5236\u7684\uff0c\u6ea2\u51fa\u4f1a\u5bfc\u81f4\u9519\u8bef\u7ed3\u679c\u3002\u5728\u8de8\u8bed\u8a00\u7f16\u7a0b\u65f6\uff0c\u9700\u8981\u7279\u522b\u6ce8\u610f\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/p>\n
2. \u6027\u80fd\u95ee\u9898\uff1a<\/h4>\n<\/p>\n
\u5904\u7406\u975e\u5e38\u5927\u7684\u6574\u6570\u65f6\uff0c\u8ba1\u7b97\u7684\u65f6\u95f4\u548c\u5185\u5b58\u6d88\u8017\u4f1a\u663e\u8457\u589e\u52a0\u3002\u5728\u8bbe\u8ba1\u7b97\u6cd5\u65f6\uff0c\u9700\u8981\u8003\u8651\u6027\u80fd\u95ee\u9898\uff0c\u5c3d\u91cf\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5927\u6574\u6570\u8fd0\u7b97\u3002<\/p>\n<\/p>\n
3. \u7c7b\u578b\u8f6c\u6362\uff1a<\/h4>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5c06\u6574\u6570\u8f6c\u6362\u4e3a\u5176\u4ed6\u7c7b\u578b\uff08\u5982\u6d6e\u70b9\u6570\u3001\u5b57\u7b26\u4e32\u7b49\uff09\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u7c7b\u578b\u8f6c\u6362\u53ef\u80fd\u4f1a\u5e26\u6765\u7cbe\u5ea6\u635f\u5931\u6216\u5176\u4ed6\u95ee\u9898\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/h4>\n<\/p>\n
a = 12345678901234567890<\/p>\n
b = float(a)<\/p>\n
c = str(a)<\/p>\n
print(b)  # \u8f93\u51fa\uff1a1.2345678901234567e+19\uff08\u53ef\u80fd\u4f1a\u6709\u7cbe\u5ea6\u635f\u5931\uff09<\/p>\n
print(c)  # \u8f93\u51fa\uff1a'12345678901234567890'<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u6574\u6570\u7684\u5e94\u7528\u573a\u666f<\/h3>\n<\/p>\n
\u6574\u6570\u5728\u7f16\u7a0b\u4e2d\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<\/p>\n
1. \u6570\u5b66\u8ba1\u7b97\uff1a<\/h4>\n<\/p>\n
\u6574\u6570\u662f\u6570\u5b66\u8ba1\u7b97\u7684\u57fa\u672c\u5355\u5143\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u6570\u5b66\u7b97\u6cd5\u548c\u8ba1\u7b97\u4e2d\u3002<\/p>\n<\/p>\n
2. \u6570\u636e\u5904\u7406\uff1a<\/h4>\n<\/p>\n
\u5728\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u4e2d\uff0c\u6574\u6570\u7528\u4e8e\u8868\u793a\u8ba1\u6570\u3001\u7d22\u5f15\u3001\u6807\u8bc6\u7b26\u7b49\u3002<\/p>\n<\/p>\n
3. \u6587\u4ef6\u64cd\u4f5c\uff1a<\/h4>\n<\/p>\n
\u5728\u6587\u4ef6\u64cd\u4f5c\u4e2d\uff0c\u6574\u6570\u7528\u4e8e\u8868\u793a\u6587\u4ef6\u5927\u5c0f\u3001\u6587\u4ef6\u4f4d\u7f6e\u7b49\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/h4>\n<\/p>\n
# \u6570\u5b66\u8ba1\u7b97<\/p>\n
a = 123<\/p>\n
b = 456<\/p>\n
c = a + b<\/p>\n
print(c)  # \u8f93\u51fa\uff1a579<\/p>\n
\u6570\u636e\u5904\u7406<\/strong><\/h2>\n
data = [1, 2, 3, 4, 5]<\/p>\n
index = 2<\/p>\n
print(data[index])  # \u8f93\u51fa\uff1a3<\/p>\n
\u6587\u4ef6\u64cd\u4f5c<\/strong><\/h2>\n
with open('example.txt', 'rb') as f:<\/p>\n
    f.seek(100)  # \u79fb\u52a8\u5230\u6587\u4ef6\u7684\u7b2c100\u4e2a\u5b57\u8282<\/p>\n
    data = f.read(10)  # \u8bfb\u53d6\u63a5\u4e0b\u6765\u768410\u4e2a\u5b57\u8282<\/p>\n
    print(data)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
Python\u4e2d\u8868\u793a\u5168\u90e8\u6574\u6570\u7684\u65b9\u6cd5\u4e3b\u8981\u6709\uff1a\u4f7f\u7528int<\/code>\u7c7b\u578b\u3001\u4f7f\u7528sys<\/code>\u6a21\u5757\u4e2d\u7684maxsize<\/code>\u548cminsize<\/code>\u3001\u4f7f\u7528long<\/code>\u7c7b\u578b\uff08\u5728Python 2\u4e2d\uff09\u3002\u5176\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528int<\/code>\u7c7b\u578b\uff0c\u8fd9\u79cd\u7c7b\u578b\u5728Python 3\u4e2d\u53ef\u4ee5\u8868\u793a\u4efb\u610f\u7cbe\u5ea6\u7684\u6574\u6570\u3002\u9700\u8981\u6ce8\u610f\u6574\u6570\u64cd\u4f5c\u65f6\u7684\u6ea2\u51fa\u95ee\u9898\u3001\u6027\u80fd\u95ee\u9898\u548c\u7c7b\u578b\u8f6c\u6362\u95ee\u9898\u3002\u6574\u6570\u5728\u6570\u5b66\u8ba1\u7b97\u3001\u6570\u636e\u5904\u7406\u3001\u6587\u4ef6\u64cd\u4f5c\u7b49\u65b9\u9762\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u6574\u6570\u8868\u793a\u65b9\u6cd5\u548c\u64cd\u4f5c\u65b9\u5f0f\uff0c\u80fd\u591f\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u6027\u80fd\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u6269\u5c55\u9605\u8bfb<\/h3>\n<\/p>\n
1. Python\u4e2d\u7684\u6574\u6570\u7c7b\u578b\uff1a<\/h4>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u6574\u6570\u7c7b\u578b\u5305\u62ecint<\/code>\u548cbool<\/code>\u3002\u5176\u4e2d\uff0cbool<\/code>\u7c7b\u578b\u662fint<\/code>\u7c7b\u578b\u7684\u5b50\u7c7b\uff0c\u8868\u793a\u5e03\u5c14\u503cTrue<\/code>\u548cFalse<\/code>\u3002True<\/code>\u76f8\u5f53\u4e8e\u6574\u65701<\/code>\uff0cFalse<\/code>\u76f8\u5f53\u4e8e\u6574\u65700<\/code>\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/h4>\n<\/p>\n
a = True<\/p>\n
b = False<\/p>\n
print(a + b)  # \u8f93\u51fa\uff1a1<\/p>\n
<\/code><\/pre>\n<\/p>\n
2. Python\u4e2d\u7684\u6574\u6570\u64cd\u4f5c\u7b26\uff1a<\/h4>\n<\/p>\n
Python\u4e2d\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6574\u6570\u64cd\u4f5c\u7b26\uff0c\u5305\u62ec\u7b97\u672f\u64cd\u4f5c\u7b26\u3001\u6bd4\u8f83\u64cd\u4f5c\u7b26\u3001\u4f4d\u64cd\u4f5c\u7b26\u7b49\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/h4>\n<\/p>\n
# \u7b97\u672f\u64cd\u4f5c\u7b26<\/p>\n
a = 10<\/p>\n
b = 3<\/p>\n
print(a + b)  # \u8f93\u51fa\uff1a13<\/p>\n
print(a - b)  # \u8f93\u51fa\uff1a7<\/p>\n
print(a * b)  # \u8f93\u51fa\uff1a30<\/p>\n
print(a \/ b)  # \u8f93\u51fa\uff1a3.3333333333333335<\/p>\n
print(a \/\/ b)  # \u8f93\u51fa\uff1a3<\/p>\n
print(a % b)  # \u8f93\u51fa\uff1a1<\/p>\n
print(a  b)  # \u8f93\u51fa\uff1a1000<\/p>\n
\u6bd4\u8f83\u64cd\u4f5c\u7b26<\/strong><\/h2>\n
print(a == b)  # \u8f93\u51fa\uff1aFalse<\/p>\n
print(a != b)  # \u8f93\u51fa\uff1aTrue<\/p>\n
print(a > b)  # \u8f93\u51fa\uff1aTrue<\/p>\n
print(a < b)  # \u8f93\u51fa\uff1aFalse<\/p>\n
print(a >= b)  # \u8f93\u51fa\uff1aTrue<\/p>\n
print(a <= b)  # \u8f93\u51fa\uff1aFalse<\/p>\n
\u4f4d\u64cd\u4f5c\u7b26<\/strong><\/h2>\n
print(a & b)  # \u8f93\u51fa\uff1a2<\/p>\n
print(a | b)  # \u8f93\u51fa\uff1a11<\/p>\n
print(a ^ b)  # \u8f93\u51fa\uff1a9<\/p>\n
print(~a)  # \u8f93\u51fa\uff1a-11<\/p>\n
print(a << b)  # \u8f93\u51fa\uff1a80<\/p>\n
print(a >> b)  # \u8f93\u51fa\uff1a1<\/p>\n
<\/code><\/pre>\n<\/p>\n
3. Python\u4e2d\u7684\u6574\u6570\u51fd\u6570\uff1a<\/h4>\n<\/p>\n
Python\u5185\u7f6e\u4e86\u4e00\u4e9b\u5e38\u7528\u7684\u6574\u6570\u51fd\u6570\uff0c\u5982abs()<\/code>\u3001pow()<\/code>\u3001divmod()<\/code>\u3001round()<\/code>\u7b49\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/h4>\n<\/p>\n
# abs() \u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u6570\u7684\u7edd\u5bf9\u503c<\/p>\n
print(abs(-10))  # \u8f93\u51fa\uff1a10<\/p>\n
pow() \u51fd\u6570\u8fd4\u56de\u57fa\u6570\u7684\u6307\u6570\u6b21\u5e42<\/strong><\/h2>\n
print(pow(2, 3))  # \u8f93\u51fa\uff1a8<\/p>\n
divmod() \u51fd\u6570\u8fd4\u56de\u5546\u548c\u4f59\u6570\u7684\u5143\u7ec4<\/strong><\/h2>\n
print(divmod(10, 3))  # \u8f93\u51fa\uff1a(3, 1)<\/p>\n
round() \u51fd\u6570\u8fd4\u56de\u56db\u820d\u4e94\u5165\u540e\u7684\u503c<\/strong><\/h2>\n
print(round(3.14159, 2))  # \u8f93\u51fa\uff1a3.14<\/p>\n
<\/code><\/pre>\n<\/p>\n
4. Python\u4e2d\u7684\u6574\u6570\u8868\u793a\u548c\u8f6c\u6362\uff1a<\/h4>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u8fdb\u5236\u8868\u793a\u6574\u6570\uff0c\u5982\u4e8c\u8fdb\u5236\u3001\u516b\u8fdb\u5236\u3001\u5341\u8fdb\u5236\u548c\u5341\u516d\u8fdb\u5236\u3002\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u51fd\u6570bin()<\/code>\u3001oct()<\/code>\u3001hex()<\/code>\u8fdb\u884c\u8fdb\u5236\u8f6c\u6362\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/h4>\n<\/p>\n
# \u4e8c\u8fdb\u5236\u8868\u793a<\/p>\n
a = 0b1010<\/p>\n
print(a)  # \u8f93\u51fa\uff1a10<\/p>\n
\u516b\u8fdb\u5236\u8868\u793a<\/strong><\/h2>\n
b = 0o12<\/p>\n
print(b)  # \u8f93\u51fa\uff1a10<\/p>\n
\u5341\u516d\u8fdb\u5236\u8868\u793a<\/strong><\/h2>\n
c = 0xA<\/p>\n
print(c)  # \u8f93\u51fa\uff1a10<\/p>\n
\u8fdb\u5236\u8f6c\u6362<\/strong><\/h2>\n
print(bin(10))  # \u8f93\u51fa\uff1a'0b1010'<\/p>\n
print(oct(10))  # \u8f93\u51fa\uff1a'0o12'<\/p>\n
print(hex(10))  # \u8f93\u51fa\uff1a'0xa'<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516b\u3001\u6574\u6570\u7684\u5e94\u7528\u5b9e\u4f8b<\/h3>\n<\/p>\n
1. \u5927\u6570\u8fd0\u7b97\uff1a<\/h4>\n<\/p>\n
Python\u7684int<\/code>\u7c7b\u578b\u652f\u6301\u4efb\u610f\u7cbe\u5ea6\uff0c\u56e0\u6b64\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u5927\u6570\u8fd0\u7b97\u3002\u5927\u6570\u8fd0\u7b97\u5728\u5bc6\u7801\u5b66\u3001\u79d1\u5b66\u8ba1\u7b97\u7b49\u9886\u57df\u6709\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/h4>\n<\/p>\n
# \u8ba1\u7b97\u5927\u6570\u7684\u9636\u4e58<\/p>\n
def factorial(n):<\/p>\n
    if n == 0:<\/p>\n
        return 1<\/p>\n
    else:<\/p>\n
        return n * factorial(n - 1)<\/p>\n
print(factorial(100))  # \u8f93\u51fa\uff1a100\u7684\u9636\u4e58<\/p>\n
<\/code><\/pre>\n<\/p>\n
2. \u8d28\u6570\u68c0\u6d4b\uff1a<\/h4>\n<\/p>\n
\u8d28\u6570\u68c0\u6d4b\u662f\u6570\u5b66\u4e2d\u7684\u7ecf\u5178\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528Python\u7f16\u5199\u7a0b\u5e8f\u68c0\u6d4b\u4e00\u4e2a\u6570\u662f\u5426\u4e3a\u8d28\u6570\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/h4>\n<\/p>\n
# \u68c0\u6d4b\u4e00\u4e2a\u6570\u662f\u5426\u4e3a\u8d28\u6570<\/p>\n
def is_prime(n):<\/p>\n
    if n <= 1:<\/p>\n
        return False<\/p>\n
    for i in range(2, int(n0.5) + 1):<\/p>\n
        if n % i == 0:<\/p>\n
            return False<\/p>\n
    return True<\/p>\n
print(is_prime(29))  # \u8f93\u51fa\uff1aTrue<\/p>\n
print(is_prime(30))  # \u8f93\u51fa\uff1aFalse<\/p>\n
<\/code><\/pre>\n<\/p>\n
3. \u6b27\u51e0\u91cc\u5f97\u7b97\u6cd5\uff1a<\/h4>\n<\/p>\n
\u6b27\u51e0\u91cc\u5f97\u7b97\u6cd5\u7528\u4e8e\u8ba1\u7b97\u4e24\u4e2a\u6570\u7684\u6700\u5927\u516c\u7ea6\u6570\uff0c\u662f\u6570\u8bba\u4e2d\u7684\u91cd\u8981\u7b97\u6cd5\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/h4>\n<\/p>\n
# \u8ba1\u7b97\u4e24\u4e2a\u6570\u7684\u6700\u5927\u516c\u7ea6\u6570<\/p>\n
def gcd(a, b):<\/p>\n
    while b:<\/p>\n
        a, b = b, a % b<\/p>\n
    return a<\/p>\n
print(gcd(48, 18))  # \u8f93\u51fa\uff1a6<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e5d\u3001\u6574\u6570\u7684\u9ad8\u7ea7\u5e94\u7528<\/h3>\n<\/p>\n
1. \u5927\u6570\u52a0\u5bc6\uff1a<\/h4>\n<\/p>\n
\u5728\u73b0\u4ee3\u5bc6\u7801\u5b66\u4e2d\uff0c\u5927\u6570\u52a0\u5bc6\u7b97\u6cd5\uff08\u5982RSA\u7b97\u6cd5\uff09\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6570\u636e\u52a0\u5bc6\u548c\u6570\u5b57\u7b7e\u540d\u3002Python\u7684int<\/code>\u7c7b\u578b\u652f\u6301\u4efb\u610f\u7cbe\u5ea6\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u8fd9\u4e9b\u7b97\u6cd5\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/h4>\n<\/p>\n
# \u5b9e\u73b0RSA\u52a0\u5bc6\u548c\u89e3\u5bc6<\/p>\n
def rsa_encrypt(message, e, n):<\/p>\n
    return pow(message, e, n)<\/p>\n
def rsa_decrypt(ciphertext, d, n):<\/p>\n
    return pow(ciphertext, d, n)<\/p>\n
\u516c\u94a5\uff08e, n\uff09\u548c\u79c1\u94a5\uff08d, n\uff09<\/strong><\/h2>\n
e = 65537<\/p>\n
d = 123456789<\/p>\n
n = 987654321<\/p>\n
message = 42<\/p>\n
ciphertext = rsa_encrypt(message, e, n)<\/p>\n
print("Ciphertext:", ciphertext)<\/p>\n
plAI<\/a>ntext = rsa_decrypt(ciphertext, d, n)<\/p>\n
print("Plaintext:", plaintext)<\/p>\n
<\/code><\/pre>\n<\/p>\n
2. \u5927\u6570\u8ba1\u7b97\uff1a<\/h4>\n<\/p>\n
\u5728\u79d1\u5b66\u8ba1\u7b97\u548c\u5de5\u7a0b\u8ba1\u7b97\u4e2d\uff0c\u5927\u6570\u8ba1\u7b97\u662f\u5e38\u89c1\u9700\u6c42\u3002Python\u7684int<\/code>\u7c7b\u578b\u53ef\u4ee5\u65b9\u4fbf\u5730\u5904\u7406\u8fd9\u4e9b\u8ba1\u7b97\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\uff1a<\/h4>\n<\/p>\n
# \u8ba1\u7b97\u5927\u6570\u7684\u5e73\u65b9\u6839<\/p>\n
def sqrt(n):<\/p>\n
    x = n<\/p>\n
    y = (x + 1) \/\/ 2<\/p>\n
    while y < x:<\/p>\n
        x = y<\/p>\n
        y = (x + n \/\/ x) \/\/ 2<\/p>\n
    return x<\/p>\n
print(sqrt(12345678901234567890))  # \u8f93\u51fa\u5927\u6570\u7684\u5e73\u65b9\u6839<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5341\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
Python\u4e2d\u8868\u793a\u5168\u90e8\u6574\u6570\u7684\u65b9\u6cd5\u4e3b\u8981\u6709\uff1a\u4f7f\u7528int<\/code>\u7c7b\u578b\u3001\u4f7f\u7528sys<\/code>\u6a21\u5757\u4e2d\u7684maxsize<\/code>\u548cminsize<\/code>\u3001\u4f7f\u7528long<\/code>\u7c7b\u578b\uff08\u5728Python 2\u4e2d\uff09\u3002\u5176\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528int<\/code>\u7c7b\u578b\uff0c\u8fd9\u79cd\u7c7b\u578b\u5728Python 3\u4e2d\u53ef\u4ee5\u8868\u793a\u4efb\u610f\u7cbe\u5ea6\u7684\u6574\u6570\u3002\u9700\u8981\u6ce8\u610f\u6574\u6570\u64cd\u4f5c\u65f6\u7684\u6ea2\u51fa\u95ee\u9898\u3001\u6027\u80fd\u95ee\u9898\u548c\u7c7b\u578b\u8f6c\u6362\u95ee\u9898\u3002\u6574\u6570\u5728\u6570\u5b66\u8ba1\u7b97\u3001\u6570\u636e\u5904\u7406\u3001\u6587\u4ef6\u64cd\u4f5c\u3001\u5927\u6570\u8fd0\u7b97\u3001\u8d28\u6570\u68c0\u6d4b\u3001\u6b27\u51e0\u91cc\u5f97\u7b97\u6cd5\u3001\u5927\u6570\u52a0\u5bc6\u3001\u5927\u6570\u8ba1\u7b97\u7b49\u65b9\u9762\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u6574\u6570\u8868\u793a\u65b9\u6cd5\u548c\u64cd\u4f5c\u65b9\u5f0f\uff0c\u80fd\u591f\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u6027\u80fd\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 Python\u4e2d\u5982\u4f55\u8868\u793a\u6574\u6570\u7684\u8303\u56f4\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u6574\u6570\u6ca1\u6709\u56fa\u5b9a\u7684\u8303\u56f4\u9650\u5236\u3002Python 3\u4f7f\u7528\u4e86\u4e00\u4e2a\u52a8\u6001\u7684\u6574\u6570\u7c7b\u578b\uff0c\u610f\u5473\u7740\u53ea\u8981\u7cfb\u7edf\u5185\u5b58\u5141\u8bb8\uff0c\u53ef\u4ee5\u8868\u793a\u4efb\u610f\u5927\u5c0f\u7684\u6574\u6570\u3002\u8fd9\u4e0e\u67d0\u4e9b\u7f16\u7a0b\u8bed\u8a00\u4e0d\u540c\uff0c\u540e\u8005\u901a\u5e38\u4f1a\u9650\u5236\u6574\u6570\u5927\u5c0f\uff08\u4f8b\u5982\uff0c32\u4f4d\u621664\u4f4d\u6574\u6570\uff09\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u5904\u7406\u975e\u5e38\u5927\u7684\u6574\u6570\uff1f<\/strong>
Python\u7684\u5185\u7f6e\u6574\u6570\u7c7b\u578b\u652f\u6301\u4efb\u610f\u5927\u5c0f\u7684\u6574\u6570\uff0c\u56e0\u6b64\u65e0\u8bba\u662f\u5c0f\u6570\u3001\u8d1f\u6570\u8fd8\u662f\u975e\u5e38\u5927\u7684\u6570\uff0c\u90fd\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u3002\u4f7f\u7528\u5e38\u89c4\u7684\u6574\u6570\u8fd0\u7b97\u7b26\uff0c\u5982\u52a0\u3001\u51cf\u3001\u4e58\u3001\u9664\u90fd\u53ef\u4ee5\u5904\u7406\u5927\u6574\u6570\uff0c\u800c\u4e0d\u9700\u7279\u522b\u7684\u5e93\u6216\u6570\u636e\u7c7b\u578b\u3002<\/p>\n
\u5728Python\u4e2d\u5982\u4f55\u68c0\u67e5\u4e00\u4e2a\u6570\u662f\u5426\u4e3a\u6574\u6570\uff1f<\/strong>
\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684isinstance()<\/code>\u51fd\u6570\u6765\u68c0\u67e5\u4e00\u4e2a\u53d8\u91cf\u662f\u5426\u4e3a\u6574\u6570\u3002\u4f8b\u5982\uff0cisinstance(variable, int)<\/code>\u5c06\u8fd4\u56deTrue\u6216False\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u5224\u65ad\u8be5\u53d8\u91cf\u662f\u5426\u4e3a\u6574\u6570\u3002\u8fd9\u79cd\u65b9\u6cd5\u5728\u5904\u7406\u6570\u636e\u65f6\u7279\u522b\u6709\u7528\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7c7b\u578b\u7684\u51c6\u786e\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u4e2d\u8868\u793a\u5168\u90e8\u6574\u6570\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528int\u7c7b\u578b\u3001\u4f7f\u7528sys\u6a21\u5757\u4e2d\u7684maxsize\u548cminsize\u3001\u4f7f\u7528lo […]","protected":false},"author":3,"featured_media":1152997,"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\/1152976"}],"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=1152976"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1152976\/revisions"}],"predecessor-version":[{"id":1153007,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1152976\/revisions\/1153007"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1152997"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1152976"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1152976"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1152976"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}