{"id":7008,"date":"2019-10-14T13:00:53","date_gmt":"2019-10-14T05:00:53","guid":{"rendered":"https:\/\/egonlin.com\/?p=7008"},"modified":"2022-06-05T15:53:21","modified_gmt":"2022-06-05T07:53:21","slug":"python3-8%e6%96%b0%e7%89%b9%e6%80%a7","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=7008","title":{"rendered":"Python3.8\u65b0\u7279\u6027"},"content":{"rendered":"

\u4e00 \u7b80\u8ff0<\/h1>\n

\u4f60\u662f\u5426\u8fd8\u5728\u4f7f\u7528Python3.7\uff0c3.6\u2026\u2026\u751a\u81f3\u662f\u66f4\u8001\u7684Python\u7248\u672c\uff1f<\/p>\n

\u786e\u5b9e\uff0c\u5c1d\u8bd5\u53bb\u4f7f\u7528\u4e00\u4e2a\u6bd4\u8f83\u201c\u65b0\u201d\u7684Python\u7248\u672c\u5b58\u5728\u5fc5\u5b9a\u98ce\u9669\uff0c\u54b1\u4eec\u5bb9\u6613\u9047\u5230\u4e00\u4e9b\u95ee\u9898\uff1a<\/p>\n

\u751f\u6001\uff0c\u5404\u7c7b\u5e93\u7684\u652f\u6301\uff0c\u517c\u5bb9\u6027\u2026\u2026\n\u4e0d\u4e00\u6837\u7248\u672c\u7684\u89e3\u91ca\u5668\u5b58\u5728\u5dee\u522b\uff0c\u4e4b\u524d\u7684\u9879\u76ee\u8fd8\u80fd\u4e0d\u80fd\u7ee7\u7eed\u4f7f\u7528\u662f\u4e2a\u95ee\u9898\u2026\u2026\n\u65b0\u7684\u7279\u6027\u6216\u8005\u529f\u80fd\u592a\u9999\uff0c\u6211\u5b9e\u5728\u5fcd\u4e0d\u4f4f\u66f4\u65b0\u4e86\u5374\u906d\u9047\u5230bug\u2026\u2026<\/code><\/pre>\n
\u5b9e\u9645\u4e0a\uff0cPython3.7\u7684\u6b63\u5f0f\u7248\u6700\u5148\u53d1\u5e03\u4e8e2018\u5e7406\u670815\u65e5\uff0c\u622a\u6b62\u76ee\u524d\uff0cPython3.7\u7684\u6700\u9ad8\u7248\u672c\u662f3.7.13\uff08\u4e8e2022\u5e743\u670816\u65e5\u53d1\u5e03\uff09\uff0c\u5b83\u5176\u5b9e\u4e5f\u5e76\u4e0d\u7b97\u201c\u65b0\u201c\u4e86\u3002<\/p>\n
\u800cPython3.8\u7684\u9996\u4e2a\u6b63\u5f0f\u7248\u53d1\u5e03\u4e8e2019\u5e7410\u670814\u65e5\uff0c\u76ee\u524d\u5df2\u7ecf\u6301\u7eed\u7ef4\u62a4\u4e24\u5e74\u591a\uff0c\u66f4\u65b0\u5230\u4e863.8.13\u7248\u672c\uff08\u4e8e2022\u5e743\u670816\u65e5\u66f4\u65b0\uff09\u3002<\/p>\n
\u6839\u636ePython\u5b98\u7f51\uff0c\u76ee\u524d\u6700\u65b0\u7684Python\u7248\u672c\u4e3a3.9\uff0c\u76ee\u524d\u8fd8\u5904\u4e8e\u6d4b\u8bd5\u4e2d\uff0c\u9884\u8ba1\u5c06\u5728\u4eca\u5e74\u768410\u6708\u53d1\u5e03\u7b2c\u4e00\u4e2a\u6b63\u5f0f\u7248\u672c<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
\u5206\u652f\u7248\u672c<\/th>\n\u53d1\u5e03\u8ba1\u5212<\/th>\n\u7ef4\u62a4\u72b6\u6001<\/th>\n\u9996\u4e2a\u6b63\u5f0f\u7248\u672c<\/th>\n\u7ec8\u6b62\u66f4\u65b0<\/th>\n<\/tr>\n<\/thead>\n
3.10<\/td>\nPEP 619<\/td>\nbugfix<\/td>\n2021-10-04<\/td>\n2026-10<\/td>\n<\/tr>\n
3.9<\/td>\nPEP 596<\/td>\nsecurity<\/td>\n2020-10-05<\/td>\n2025-10<\/td>\n<\/tr>\n
3.8<\/td>\nPEP 569<\/td>\nsecurity<\/td>\n2019-10-14<\/td>\n2024-10<\/td>\n<\/tr>\n
3.7<\/td>\nPEP 537<\/td>\nsecurity<\/td>\n2018-06-27<\/td>\n2023-06-27<\/td>\n<\/tr>\n
3.6<\/td>\nPEP 494<\/td>\nsecurity<\/td>\n2016-12-23<\/td>\n2021-12-23<\/td>\n<\/tr>\n
3.5<\/td>\nPEP 478<\/td>\nsecurity<\/td>\n2015-09-13<\/td>\n2020-09-13<\/td>\n<\/tr>\n
2.7<\/td>\nPEP 373<\/td>\nend-of-life<\/td>\n2010-07-03<\/td>\n2020-04-20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u8be6\u89c1\u5b98\u7f51\uff1ahttps:\/\/www.python.org\/downloads\/<\/a><\/p>\n
\u5728\u8fd9\u91cc\u89e3\u91ca\u4e00\u4e0bPython\u7684\u51e0\u79cd\u7ef4\u62a4\u72b6\u6001\uff1a
\n
\"file\"<\/div><\/p>\n
\u5904\u4e8ebugfix\u72b6\u6001\uff0c\u4e00\u6bb5\u65f6\u5019\u540e\u53ef\u4ee5\u5c1d\u8bd5\u5728\u751f\u4ea7\u73af\u5883\u5f53\u4e2d\u4f7f\u7528\uff08\u540e\u679c\u81ea\u884c\u627f\u62c5\uff09
\n\u5982\u679c\u4f60\u5bf9\u7a33\u5b9a\u6027\u8981\u6c42\u5f88\u662f\u9ad8\uff0c\u90a3\u4e48\u5219\u5e94\u8be5\u7ef4\u62a4\u72b6\u6001\u4e3asecurity\u7684\u7248\u672c\u4fbf\u53ef\uff0c\u7531\u4e8e\u9664\u975e\u9047\u5230\u5b89\u5168\u6027\u7684\u95ee\u9898\uff0c\u5b83\u4eec\u51e0\u4e4e\u4e0d\u4f1a\u518d\u8fdb\u884c\u66f4\u65b0\u4e86\uff0c\u56e0\u6b64\u4f7f\u7528\u8d77\u6765\u4f1a\u66f4\u66f4\u66f4\u7a33\u3002windows
\n\u6765\u770b\u770b\uff01Python3.8\u592a\u9999\u4e86\uff01<\/p>\n
\u4e00\u5757\u513f\u6765\u770b\u770b\u5b83\u7684\u65b0\u53d8\u5316\uff0c\u770b\u5b8c\u4f60\u786e\u5b9a\u60f3\u7528
\nPython3.8\uff1a\u8fd1\u4e4e\u5168\u65b9\u4f4d\u7684\u6027\u80fd\u63d0\u9ad8<\/p>\n
\u6570\u636e\u6765\u81ea[Python\u5b98\u7f51\u5b89\u5168]<\/a><\/p>\n
\u6d4b\u8bd5\u7ed3\u679c\u7684\u5355\u4f4d\u662f\u7eb3\u79d2\uff08\u6570\u5b57\u8d8a\u5c0f\uff0c\u6027\u80fd\u8d8a\u597d\uff09\uff0c\u53ef\u89c1Python3.8\u7684\u6027\u80fd\u63d0\u9ad8\u51e0\u4e4e\u662f\u5168\u65b9\u4f4d\u7684bash
\n
\"file\"<\/div><\/p>\n
\u4e8c \u65b0\u7684\u8bed\u6cd5\uff1a\u6d77\u8c61\u8fd0\u7b97\u7b26<\/h1>\n
\u9664\u4e86\u6027\u80fd\u4e0a\u7684\u63d0\u9ad8\u5916\uff0c\u6700\u503c\u5f97\u4e00\u63d0\u7684\u53d8\u5316\u662f\uff0cPython3.8\u4e2d\u52a0\u5165\u4e86\u65b0\u7684\u8bed\u6cd5\uff0c\u6d77\u8c61\u8fd0\u7b97\u7b26\uff1a:=<\/p>\n
\u6d77\u8c61\u8fd0\u7b97\u7b26\u662f\u4e00\u4e2a\u8d4b\u503c\u8868\u8fbe\u5f0f\uff0c\u5b83\u53ef\u4ee5\u51cf\u5c0f\u54b1\u4eec\u7684\u4e00\u4e9b\u91cd\u590d\u6027\u64cd\u505a\uff0c\u4f7f\u5f97\u4ee3\u7801\u7f16\u5199\u66f4\u52a0\u6d41\u7545\u3001\u7b80\u6d01\u6613\u8bfb\u3002<\/p>\n
\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u9996\u5148\u8fd9\u662f\u5728Python3.8\u4e4b\u524d\u7684\u5199\u6cd5\uff1a<\/code><\/pre>\n
# \u6211\u6709\u4e00\u4e2a\u76d2\u5b50\uff0c\u91cc\u9762\u88c5\u7740\u4e09\u6837\u6c34\u679c\uff0c\u800c\u4e14\u88c5\u4e0d\u4e0b\u66f4\u591a\u4e86\nmyBox = [ 'apple', 'banana', 'orange' ]\n\n# \u5982\u4eca\u5f80\u91cc\u9762\u88c5\u5165\u65b0\u7684\u6c34\u679c\nmyBox.append('trump')\n\n# \u53ef\u662f\u5b9e\u9645\u4e0a\uff0c\u5b83\u4ee5\u524d\u5df2\u7ecf\u88c5\u6ee1\u4e86\uff0c\u518d\u5f80\u91cc\u88c5\u5c31\u8981\u7206\u70b8\u4e86\uff01\n\n# \u90a3\u4e48\u8981\u8fdb\u884c\u5224\u65ad\uff0c\u800c\u4e14\u544a\u8bc9\u54b1\u4eec\uff0c\u54b1\u4eec\u7684\u76d2\u5b50\u70b8\u4e86\uff1a\nif len(myBox) > 3:\n    print('\u76d2\u5b50\u70b8\u4e86\uff0c\u6700\u591a\u53ea\u80fd\u88c53\u6837\u6c34\u679c\uff0c\u800c\u4f60\u5374\u88c5\u4e86{}\u6837\uff01'.format(len(myBox)))<\/code><\/pre>\n
\u80fd\u591f\u770b\u5230\uff0c\u54b1\u4eec\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\u4f7f\u7528\u4e86\u4e24\u6b21len(myBox)\u6765\u5f97\u5230\u76d2\u5b50\u5217\u8868\u7684\u957f\u5ea6\uff0c\u5f88\u662f\u7684\u9ebb\u70e6\u3002\u3002\u3002
\n\u597d\u7684\uff0c\u54b1\u4eec\u4f18\u5316\u4e00\u4e0b\uff0c\u4f7f\u7528\u4e00\u4e2a\u53d8\u91cf\u5b58\u50a8\u76d2\u5b50\u5217\u8868\u7684\u957f\u5ea6\uff1a<\/p>\n
# \u6211\u6709\u4e00\u4e2a\u76d2\u5b50\uff0c\u91cc\u9762\u88c5\u7740\u4e09\u6837\u6c34\u679c\uff0c\u800c\u4e14\u88c5\u4e0d\u4e0b\u66f4\u591a\u4e86\nmyBox = [ 'apple', 'banana', 'orange', 'trump' ]\n\n# \u8bb0\u5f55\u957f\u5ea6\nsize = len(myBox)\n\n# \u90a3\u4e48\u8981\u8fdb\u884c\u5224\u65ad\uff0c\u800c\u4e14\u544a\u8bc9\u54b1\u4eec\uff0c\u54b1\u4eec\u7684\u76d2\u5b50\u70b8\u4e86\uff1a\nif size > 3:\n    print('\u76d2\u5b50\u70b8\u4e86\uff0c\u6700\u591a\u53ea\u80fd\u88c53\u6837\u6c34\u679c\uff0c\u800c\u4f60\u5374\u88c5\u4e86{}\u6837\uff01'.format(szie))<\/code><\/pre>\n
\u5f88\u597d\uff01\u53ef\u662f\u6211\u53c8\u53d1\u73b0\uff0c\u54b1\u4eec\u867d\u7136\u5c11\u5199\u4e86\u4e00\u6b21len(myBox)\uff0c\u5c11\u8c03\u7528\u4e86\u4e00\u6b21len()\uff0c\u4f46\u5374\u53c8\u591a\u5199\u4e86\u4e09\u6b21size\uff01<\/p>\n
\u5bf9\u4e8e\u7a0b\u5e8f\u5458\u800c\u8a00\uff0c\u591a\u5199\u51e0\u4e2a\u5b57\u5f88\u5bb9\u6613\u5f62\u6210\u751f\u7406\u53ca\u7cbe\u795e\u4e0a\u7684\u75b2\u52b3\uff0c\u751a\u81f3\u5f62\u6210\u5fc3\u7406\u4e0a\u7684\u521b\u4f24\uff0c\u81f4\u4f7f\u6291\u90c1\uff0c\u6700\u540e\u9020\u6210\u7f51\u6291\u4e91\u4e4b\u7c7b\u7684\u4e25\u91cd\u75c7\u72b6\u3002<\/p>\n
\u4e07\u4e00\u8fd9\u4e0d\u662f\u4e00\u4e2a\u53ea\u6709\u51e0\u884c\u4ee3\u7801\u7684\u5c0f\u4f8b\u5b50\uff0c\u800c\u662f\u4e00\u4e2a\u5929\u5927\u7684\u9879\u76ee\u5462\uff1f\u90a3\u5fc5\u5b9a\u4f1a\u5199\u65ad\u624b\uff01\u5e78\u4e8f\uff0c\u6d77\u8c61\u8fd0\u7b97\u7b26\u7684\u51fa\u73b0\u9632\u6b62\u4e86\u8fd9\u4e00\u70b9\uff1a<\/p>\n
# \u5982\u4eca\u80fd\u591f\u8fd9\u4e48\u5199\nmyBox = [ 'apple', 'banana', 'orange', 'trump' ]\n\n# \u5728\u8fd9\u4e00\u6b65\u4e2d\uff0c\u54b1\u4eec\u5728\u5224\u65admyBox\u5217\u8868\u957f\u5ea6\u7684\u540c\u65f6\u53c8\u5c06\u5176\u8bb0\u5f55\u4e3a\u4e86\u53d8\u91cfsize\nif (size := len(myBox)) > 3:\n    print('\u76d2\u5b50\u70b8\u4e86\uff0c\u6700\u591a\u53ea\u80fd\u88c53\u6837\u6c34\u679c\uff0c\u800c\u4f60\u5374\u88c5\u4e86{}\u6837\uff01'.format(szie))<\/code><\/pre>\n
\u662f\u7684\uff01\u6709\u4e86\u6d77\u8c61\u8fd0\u7b97\u7b26\uff0c\u54b1\u4eec\u80fd\u591f\u5728\u5224\u65ad\u8fc7\u7a0b\u5f53\u4e2d\u8d4b\u503c\u65b0\u53d8\u91cf\u3002<\/p>\n
\u5bf9\u6bd4\u4e00\u4e0b\u6548\u7387\u7684\u63d0\u9ad8\uff1a
\n\u539f\u5148\u7684\u6b65\u9aa4\u662f\uff1a \u6267\u884clen(myBox) \u2192 \u5efa\u7acb\u53d8\u91cfsize \u2192 \u8bbf\u95eesize\u8fdb\u884c\u5224\u65ad \u2192 \u8bbf\u95eesize\u8fdb\u884c\u6253\u5370
\n\u5982\u4eca\u53d8\u6210\u4e86\uff1a\u6267\u884clen(myBox)\u5efa\u7acb\u53d8\u91cfsize\u7684\u540c\u65f6\u8fdb\u884c\u5224\u65ad \u2192 \u8bbf\u95eesize\u8fdb\u884c\u6253\u5370<\/p>\n
\u672c\u6765\u7684\u56db\u4e2a\u6b65\u9aa4\u76f4\u63a5\u51cf\u5c0f\u4e86\u4e24\u6b65\u3002<\/p>\n
\u4e0b\u9762\u7684\u4f8b\u5b50\u662f\u6570\u636e\u7b5b\u9009\uff0c\u54b1\u4eec\u987b\u8981\u5e2e\u52a9\u7528\u6237\u8fc7\u6ee4\u6389\u4e0d\u5b58\u5728\u7684\u5b66\u53f7\uff0c\u5e76\u627e\u5230\u4e0d\u53ca\u683c\u7684\u5b66\u751f\uff1a<\/code><\/pre>\n
\u901a\u5e38\u5199\u6cd5\uff1a<\/p>\n
# \u5b66\u751f\u8868\n# key\u4e3aid\uff08\u4e3b\u952e\uff09\uff0cvalue\u4e3a\u5b66\u751f\u5bf9\u8c61\uff08\u8fd9\u91cc\u4e0d\u5199\u5bf9\u8c61\u4e86\uff0c\u76f4\u63a5\u7528dict\u65b9\u4fbf\u8868\u793a\uff09\nstudents = {\n    1: {'name': '\u5c0f\u660e', 'score': '\u53ca\u683c'},\n    3: {'name': '\u5c0f\u7ea2', 'score': '\u4e0d\u53ca\u683c'},\n    4: {'name': '\u5c0f\u7eff', 'score': '\u4e0d\u53ca\u683c'}\n}\n\n# \u5c1d\u8bd5\u627e\u5230\u5b66\u53f71-4\uff0c\u800c\u4e14\u6210\u7ee9\u4e3a\u4e0d\u53ca\u683c\u7684\u5b66\u751f\n# \u5b66\u53f72\u7684\u90a3\u4f4d\u5b9e\u9645\u4e0a\u88ab\u5f00\u9664\u4e86\uff0c\u53ef\u662f\u7528\u6237\u5e76\u4e0d\u77e5\u9053\nresults = []\nfor stuId in range(1, 5):\n    student = students.get(stuId) # \u82e5\u662f\u662f\u4e0d\u5b58\u5728\u7684key\u5219\u4f1a\u53d6\u5230None\n    if student and student['score'] == '\u4e0d\u53ca\u683c': # \u987b\u8981\u8fc7\u6ee4\u6389\u662fNone\u7684\u503c\uff0c\u5e76\u53d6\u4e0d\u53ca\u683c\u7684\u5b66\u751f\n        results.append(student)\n\n# \u8fd4\u56de\u7ed3\u679c\u7ed9\u7528\u6237\nprint(results)<\/code><\/pre>\n
\u4f7f\u7528\u6d77\u8c61\u8fd0\u7b97\u7b26\u548c\u5217\u8868\u63a8\u5bfc\u5f0f\u80fd\u591f\u8f7b\u677e\u5b8c\u6210\u8fd9\u9879\u5de5\u505a(\u4e2a\u4eba\u611f\u89c9\u4e0b\u9762\u7684\u5199\u6cd5\u867d\u7136\u7b80\u77ed\uff0c\u4f46\u662f\u4e0d\u591f\u6e05\u6670\uff0c\u6709\u6096\u4e8epython\u8bed\u6cd5\u6781\u7b80\u5355\u7684\u8bbe\u8ba1\u521d\u8877)\uff1a<\/p>\n
print([student for stuId in range(1,5) \n  if (student := students.get(stuId)) and student['score'] == '\u4e0d\u53ca\u683c' ])<\/code><\/pre>\n
\u4ee5\u53ca\uff0c\u5f53\u4f60\u4f46\u613f\u8fde\u7eed\u5f97\u5230\u7528\u6237\u8f93\u5165\uff0c\u76f4\u5230\u67d0\u4e2a\u5173\u952e\u5b57\u65f6\u7ec8\u6b62\u5e76\u7ed9\u51fa\u7ed3\u679c\u65f6\uff1a<\/code><\/pre>\n
inputs = []\n\n# \u8ba9\u7528\u6237\u8f93\u5165\u4efb\u610f\u4e2a\u987b\u8981\u8fdb\u884c\u6c42\u548c\u7684\u6570\nwhile True:\n    userInput = input('\u8bf7\u8f93\u5165\u6570\u5b57\u6216"\u6c42\u548c"\uff1a')\n    # \u5f53\u8f93\u5165\u4e3a\u201d\u6c42\u548c\u201c\u65f6\u7ed3\u675f\u5faa\u73af\n    if userInput == '\u6c42\u548c':\n        break\n    inputs.append(int(userInput))\n\n# \u6253\u5370\u6c42\u548c\u7ed3\u679c\nprint('\u6c42\u548c\u7684\u7ed3\u679c\u662f\uff1a', sum(inputs))<\/code><\/pre>\n
\u4f7f\u7528\u6d77\u8c61\u64cd\u505a\u7b26\uff1a<\/p>\n
inputs = []\n\nwhile (userInput := input('\u8bf7\u8f93\u5165\u6570\u5b57\u6216"\u6c42\u548c"\uff1a')) != '\u6c42\u548c':\n    inputs.append(int(userInput))\n\nprint('\u6c42\u548c\u7684\u7ed3\u679c\u662f\uff1a', sum(inputs))<\/code><\/pre>\n
\u6216\u8005\uff0c\u5e2e\u52a9\u4f60\u5904\u7406\u4e00\u4e2a\u51fd\u6570\u7684\u8fd4\u56de\u6570\u636e\uff0c\u8fd9\u91cc\u662f\u4e00\u4e2a\u7f51\u7edc\u8bf7\u6c42\u7684\u4f8b\u5b50\uff1a<\/code><\/pre>\n
import requests\n\n# \u722c\u53d6\u6570\u636e\uff0c\u6216\u8005\u4ece\u67d0\u4e2aapi\u5f97\u5230\u6570\u636e\u65f6\uff0c\u8981\u5bf9\u8bf7\u6c42\u72b6\u6001\u7801\u8fdb\u884c\u9a8c\u8bc1\nif (resp := requests.get('\u67d0\u5730\u5740')) and resp.status_code == 200:\n    # \u5f53\u8bf7\u6c42\u6210\u529f\uff08\u5982\u72b6\u6001\u7801200\uff09\u65f6\u8fdb\u884c\u5904\u7406\n    pass\n\nprint(resp)<\/code><\/pre>\n
\u4e5f\u80fd\u591f\u8fd9\u4e48\u5199\uff0c\u4f1a\u4e0b\u964d\u4e00\u4e9b\u53ef\u8bfb\u6027\u3002\u53ef\u662f\u5f88\u723d\u3002<\/code><\/pre>\n
import requests\nif (resp := requests.get('\u67d0\u5730\u5740')).status_code != 200: pass\n\nprint(resp)<\/code><\/pre>\n
\u4f60\u4e5f\u80fd\u591f\u5728\u4f20\u7edf\u7684\u5faa\u73af\u4e2d\u4f7f\u7528\uff0c\u8fd9\u91cc\u662f\u5faa\u73af10\u6b21\u6253\u62db\u547c\uff1a<\/code><\/pre>\n
count = 0\nwhile (count := count + 1) <= 10:\n    print('hello')\n\n# \u770b\u770bcount\u7684\u53d8\u5316\nprint(count)<\/code><\/pre>\n
\u8fd9\u91cc\u5c31\u518d\u4e5f\u4e0d\u4e3e\u66f4\u591a\u4f8b\u5b50\u4e86\uff0c\u6d77\u8c61\u8fd0\u7b97\u7b26\u8fd8\u6709\u66f4\u591a\u7528\u6cd5\u7b49\u4f60\u53d1\u73b0<\/p>\n
\u4e09 \u51fd\u6570\u7684\u65b0\u8bed\u6cd5\uff1a\u5f62\u53c2\u9650\u5b9a\u7b26\uff08\u4ec5\u9650\u4f4d\u7f6e\u5f62\u53c2\uff09<\/h1>\n
\u56e0\u4e3a\u5b98\u65b9\u6587\u6863\u7684\u540d\u5b57\u6709\u70b9\u6666\u6da9\u96be\u61c2\uff0c\u56e0\u6b64\u201c\u5f62\u53c2\u9650\u5b9a\u7b26\u201d\u5176\u5b9e\u662f\u6211\u672c\u8eab\u8d77\u7684\u540d\u5b57\u2026\u2026
\n\u53ef\u662f\u5b83\u786e\u5b9e\u5f88\u597d\u61c2\u5bf9\u4e0d\u5bf9\u3002\u3002\uff01\uff01<\/p>\n
\u4ec5\u9650\u4f4d\u7f6e\u5f62\u53c2 \u4ee5\u53ca \u4ec5\u9650\u5173\u952e\u5b57\u5f62\u53c2\uff1a\/ \u548c *,\/\u4e4b\u524d\u7684\u53c2\u6570\u5fc5\u987b\u6309\u4f4d\u7f6e\u4f20\uff0c*\u53f7\u4e4b\u540e\u7684\u5fc5\u987b\u6309\u5173\u952e\u5b57\u4f20\u53c2<\/code><\/pre>\n
\u5b83\u662f\u4e00\u4e2a\u65b0\u7684\u51fd\u6570\u5f62\u53c2\u8bed\u6cd5\uff0c\u4e0b\u9762\u662f\u4ec5\u9650\u4f4d\u7f6e\u5f62\u53c2\/\u7684\u4f8b\u5b50\uff1a<\/p>\n
# \u4e00\u4e2a\u51fd\u6570\ndef test(a, b, \/, c):\n    print(a, b, c)\n\n# \u8fdb\u884c\u6d4b\u8bd5\ntest('\u6211\u662fa', '\u6211\u662fb', '\u6211\u662fc') # \u53ef\u4ee5\u8f93\u51fa\ntest('\u6211\u662fa', '\u6211\u662fb', c = '\u6211\u662fc') # \u53ef\u4ee5\u8f93\u51fa\ntest('\u6211\u662fa', b = '\u6211\u662fb', c = '\u6211\u662fc') # \u62a5\u9519<\/code><\/pre>\n
\u4e0a\u9762\u7684\u4f8b\u5b50\u8bf4\u660e\uff0c\u5728\u51fd\u6570test\u7684\u5f62\u53c2\u5217\u8868\u91cc\uff0c\u4f4d\u4e8e\u9650\u5b9a\u7b26\/\u524d\u9762\u7684\u53c2\u6570\u662f\u4ec5\u9650\u4f4d\u7f6e\u5f62\u53c2\uff1a\u53ea\u80fd\u7528\u56fa\u5b9a\u4f4d\u7f6e\u5bf9\u5e94\u7684\u65b9\u5f0f\u4f20\u53c2\uff0c\u800c\u4e0d\u80fd\u4f7f\u7528\u5982\uff1a b = ‘\u6211\u662fb’ \u8fd9\u6837\u7684\u952e\u503c\u5bf9\u5e94\u7684\u65b9\u5f0f\u4f20\u53c2\uff08\u53eb\u4f5c\u5173\u952e\u5b57\u5f62\u53c2\uff09\u3002<\/p>\n
\u4f4d\u4e8e\u9650\u5b9a\u7b26\/\u540e\u9762\u7684\u53c2\u6570\u65e2\u53ef\u4f7f\u7528\u56fa\u5b9a\u4f4d\u7f6e\u5f62\u53c2\uff0c\u4e5f\u53ef\u4f7f\u7528\u5173\u952e\u5b57\u5f62\u53c2\u3002<\/p>\n
\u5bf9\u521a\u624d\u7684\u4f8b\u5b50\u7a0d\u505a\u4fee\u6539\uff0c\u4e0b\u9762\u662f\u4ec5\u9650\u5173\u952e\u5b57\u5f62\u53c2\u9650\u5b9a\u7b26*\uff1a<\/p>\n
# \u5bf9\u521a\u624d\u7684\u4f8b\u5b50\u7a0d\u505a\u4fee\u6539\ndef test(a, b, \/, c, *, d, e):\n    print(a, b, c, d, e)\n\ntest('\u6211\u662fa', '\u6211\u662fb', c = '\u6211\u662fc', d = '\u6211\u662fd', e = '\u6211\u662fe') # \u53ef\u4ee5\u8f93\u51fa\ntest('\u6211\u662fa', '\u6211\u662fb', c = '\u6211\u662fc', d = '\u6211\u662fd',  '\u6211\u662fe') # \u62a5\u9519<\/code><\/pre>\n
\u4e5f\u5c31\u662f\u8bf4\uff0c\u4f4d\u4e8e*\u540e\u9762\u7684\u53c2\u6570\u53ea\u80fd\u4ee5\u5173\u952e\u5b57\u5f62\u53c2\u7684\u65b9\u5f0f\u4f20\u5165\u3002<\/p>\n
\u800c\u4e14\uff0c\u9650\u5b9a\u7b26\u4e0ekwargs\u4e0d\u51b2\u7a81\uff1a<\/p>\n
def test(a, b, \/, **kwargs):\n    print(a, b, kwargs)\n\ntest('\u6211\u662fa', '\u6211\u662fb', a = '\u6211\u4e5f\u662fa', b = '\u6211\u4e5f\u662fb', c = '\u6211\u662fc') # \u53ef\u4ee5\u8f93\u51fa\n\n# \u8f93\u51fa\u7ed3\u679c\u4ee5\u4e0b\uff1a\n# \u6211\u662fa \u6211\u662fb {'a': '\u6211\u4e5f\u662fa', 'b': '\u6211\u4e5f\u662fb', 'c': '\u6211\u662fc'}<\/code><\/pre>\n
\u82e5\u662f\u51fd\u6570\u987b\u8981\u63a5\u53d7\u8bb8\u591a\u4e0d\u80af\u5b9a\u7684\u53c2\u6570\uff0c\u90a3\u8fd9\u786e\u5b9e\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u7279\u6027
\nPython3.8\u5bf9f-string\u7684\u8865\u5145\uff1a\u8bf4\u660e\u7b26 =<\/p>\n
\u4ec0\u4e48\u662f\u8bf4\u660e\u7b26\u5462\uff0c\u4e0b\u9762\u4e3e\u8fd9\u4e48\u4e00\u4e2a\u5b57\u7b26\u4e32\u4f8b\u5b50\uff1a<\/p>\n
# \u5b9a\u4e49\u53d8\u91cf\ndata = ['\u54c8\u54c8', '\u563b\u563b']\ncount = len(data)\n\n# \u6253\u5370\nprint(f'{data=}, {count=}')<\/code><\/pre>\n
\u6253\u5370\u7ed3\u679c\u662f\uff1adata=['\u54c8\u54c8', '\u563b\u563b'], count=2<\/code><\/pre>\n
\u80fd\u591f\u770b\u51fa\uff0c\u5728\u8bf4\u660e\u7b26=\u5de6\u4fa7\u7684\u8868\u8fbe\u5f0f\u8fd0\u7b97\u7ed3\u679c\u6216\u8005\u53d8\u91cf\u5c06\u88ab\u8f93\u51fa\u5230\u8bf4\u660e\u7b26\u7684\u53f3\u4fa7\uff0c\u4e5f\u5c31\u662f\u7528\uff1a\u53d8\u91cf\u540d\u79f0\u6216\u8868\u8fbe\u5f0f\u7ed3\u679c = \u53d8\u91cf\u7684\u503c\u6216\u8868\u8fbe\u5f0f\u7ed3\u679c \u7684\u8fd9\u79cd\u683c\u5f0f\u8fdb\u884c\u6253\u5370\u8f93\u51fa\u3002<\/p>\n
\u597d\u6bd4\u4e00\u4e2a\u8868\u8fbe\u5f0f\u7684\u4f8b\u5b50\uff1a<\/p>\n
a = 1\nb = 2\n\n# \u6253\u5370\nprint(f'{a+b=}')<\/code><\/pre>\n
\u6253\u5370\u7ed3\u679c\u662f\uff1aa+b=3<\/code><\/pre>\n
\u662f\u5426\u662f\u9887\u6709\u8da3\u3002\u3002\u3002<\/p>\n
\u800c\u4e14\uff0c\u5b83\u80fd\u591f\u5e2e\u4f60\u89c4\u8303\u6253\u5370\u683c\u5f0f\uff1a<\/p>\n
a = 1023\nb = 1\n\n# \u6253\u5370\nprint(f'{a+b=:,d}')<\/code><\/pre>\n
\u6253\u5370\u7684\u7ed3\u679c\u662f\uff1aa+b=1,024<\/code><\/pre>\n
\u81ea\u52a8\u52a0\u4e0a\u4e86\u5343\u5206\u4f4d\u9017\u53f7\u3002\u3002\u3002\u591f\u610f\u601d\u4e86<\/p>\n
\u4e09 \u5173\u4e8ePython3.8\u66f4\u8be6\u7ec6\u7684\u53d8\u5316\u80fd\u591f\u5728Python\u5b98\u7f51\u67e5\u770b\uff1a<\/h1>\n
\u8be6\u7ec6\u7684\u80fd\u591f\u770b\u5b98\u7f51\u6587\u6863\uff1a[Python3.8\u6709\u4ec0\u4e48\u65b0\u53d8\u5316\uff1f](https:\/\/docs.python.org\/zh-cn\/3.8\/whatsnew\/3.8.html \"Python3.8\u6709\u4ec0\u4e48\u65b0\u53d8\u5316\uff1f\")\n\u6216\u8005\u66f4\u8be6\u7ec6\u7684\u66f4\u65b0\u65e5\u5fd7\uff1a[Python3.8\u66f4\u65b0\u65e5\u5fd7](https:\/\/docs.python.org\/zh-cn\/3.8\/whatsnew\/changelog.html \"Python3.8\u66f4\u65b0\u65e5\u5fd7\")<\/code><\/pre>\n
\u56db \u5173\u4e8e\u5347\u7ea7\u5230Python3.8<\/h1>\n
\u53ea\u53ef\u4ee5\u4e0b\u8f7d\u65b0\u7684\u5b89\u88c5\u5305\u8fdb\u884c\u5168\u65b0\u5b89\u88c5\uff0c\u6ca1\u6cd5\u5e73\u6ed1\u5347\u7ea7<\/p>\n
Python\u4e0b\u8f7d\u5730\u5740\uff1ahttps:\/\/www.python.org\/downloads\/<\/code><\/pre>\n
\u5b89\u88c5\u65b0\u7248\u672c\u540e\u5c06\u65e7\u7684\u73af\u5883\u53d8\u91cf\u6539\u5230\u65b0\u7684Python\u8def\u5f84\u4fbf\u53ef\u5b8c\u6210\u5347\u7ea7\uff01<\/p>\n
\u4e94 \u5173\u4e8e\u5e93\u7684\u8fc1\u79fb<\/h1>\n
\u5efa\u8bae\u4ece\u65b0\u5b89\u88c5\u5168\u90e8\u7684\u5e93\uff0c\u800c\u4e0d\u662f\u5c06\u65e7\u7248\u672c\u7684\u5e93\u76f4\u63a5\u79fb\u52a8\u5230\u65b0\u7248\u672c\uff08\u867d\u7136\u4e5f\u80fd\u591f\u8fd9\u4e48\u4f5c\uff01\uff09<\/p>\n
\u53ef\u4f7f\u7528pip freeze > req.txt \u5c06\u5f53\u524dpython\u89e3\u91ca\u5668\u6240\u5b89\u88c5\u7684\u5e93\u6240\u6709\u5bfc\u51fa\u5230txt<\/p>\n
\u5347\u7ea7\u5b8cpython\u540e\u4f7f\u7528 pip install -r req.txt \u4e00\u952e\u5b89\u88c5<\/p>\n
\u516d \u5173\u4e8eSpyder<\/h1>\n
spyder\u662f\u4e00\u4e2a Python IDE\uff0c\u5b83\u7531python + pyqt\u7f16\u5199\u3002<\/p>\n
\u65ad\u70b9\u3001\u4ea4\u4e92\u5f0f\u7f16\u7801\u3001\u53d8\u91cf\u7ba1\u7406\u5668\u3001\u4ee3\u7801\u5206\u6790\u3001ipython\u3001cython\u63a7\u5236\u53f0\u2026\u2026
\n\u67e5\u770bdataframe\u3001\u5728\u63a7\u5236\u53f0\u663e\u793a\u56fe\u7247\u5b83\u90fd\u80fd\u4f5c\u5230\uff0c\u4ee5\u53ca\u6709\u66f4\u591a\u7684\u529f\u80fd\u7b49\u4f60\u89e3\u9501\u2026\u2026<\/p>\n
\u8c03\u4ee3\u7801\uff0c\u4f5c\u6d4b\u8bd5\uff0c\u641e\u5206\u6790\uff0c\u5f88\u662f\u597d\u7528\uff01\u9009\u4e2d\u4e00\u7247\u4ee3\u7801\uff0c\u6309\u4e0bF9\u4fbf\u53ef\u8fd0\u884c\u9009\u4e2d\u7684\u4ee3\u7801\u7247\u65ad\u2026\u2026
\n\u800c\u4e14\u5b83\u662f\u5f00\u6e90\u7684\uff0c\u5df2\u67095000+star\uff1ahttps:\/\/github.com\/spyder-ide\/spyder<\/a>
\n
\"file\"<\/div><\/p>\n
\u5982\u4eca\uff0c\u5b83\u53ef\u4ee5\u5f88\u597d\u7684\u652f\u6301Python3.8\u4e86\uff0c\u800c\u5b89\u88c5\u4e5f\u5341\u5206\u5bb9\u6613\uff1a<\/p>\n
pip install spyder<\/code><\/pre>\n
\u5b89\u88c5\u540e\u4f7f\u7528\u547d\u4ee4\u884c\u542f\u52a8<\/p>\n
spyder3<\/code><\/pre>\n
\u6211\u4e0d\u5f97\u4e0d\u5410\u69fd\u7684\u662f\uff0c\u5b9e\u9645\u4e0a\u54b1\u4eec\u5b89\u88c5\u7684\u662f\u6700\u65b0\u7684spyder4\uff0c\u53ef\u662f\u542f\u52a8\u540d\u79f0\u4ecd\u662f\u53ebspyder3\uff1f\u8fd9\u662f\u5426\u662f\u6709\u70b9\u94a6\u5b9a\u7684\u611f\u53d7\u3002\u3002<\/p>\n
\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u4f7f\u7528pip\u5b89\u88c5\u7684spyder\u4e0d\u4f1a\u81ea\u52a8\u5efa\u7acb\u684c\u9762\u5feb\u6377\u65b9\u5f0f\uff0c\u987b\u8981\u54b1\u4eec\u624b\u52a8\u8fdb\u884c\u5efa\u7acb\uff1a<\/code><\/pre>\n
\"file\"<\/div><\/p>\n
\u4f7f\u7528pip\u5b89\u88c5spyder\u540e\uff0cspyder3.exe\u4f4d\u4e8e\u4f60Python\u8def\u5f84\u4e0b\u7684Scripts\u76ee\u5f55\u4e2d\uff0c\u5c06\u5176\u53d1\u9001\u5230\u684c\u9762\u5feb\u6377\u65b9\u5f0f\uff0c\u5e76\u8bbe\u7f6e\u56fe\u6807\u4fbf\u53ef\u3002<\/p>\n
\u56fe\u6807\u7684\u4f4d\u7f6e\u4ee5\u4e0b\uff08Python38\u662f\u4f60\u5b89\u88c5Python\u7684\u8def\u5f84\uff09\uff1a
\nD:\\Python38\\Lib\\site-packages\\spyder\\windows\\spyder.ico<\/p>\n
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\n\u6211\u5df2\u7ecf\u5347\u7ea7\u4e86\uff0c\u786e\u5b9e\u5f88\u597d\u7528\uff0c\u4ea7\u54c1\u7ecf\u7406\u5f88\u7231\u6211<\/p>\n","protected":false},"excerpt":{"rendered":"
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