{"id":2738,"date":"2025-03-14T22:20:29","date_gmt":"2025-03-14T14:20:29","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=2738"},"modified":"2025-03-14T22:20:29","modified_gmt":"2025-03-14T14:20:29","slug":"python-3-%e5%85%83%e7%bb%84%ef%bc%88tuple%ef%bc%89%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/14\/python-3-%e5%85%83%e7%bb%84%ef%bc%88tuple%ef%bc%89%e8%af%a6%e8%a7%a3\/","title":{"rendered":"Python 3 \u5143\u7ec4\uff08Tuple\uff09\u8be6\u89e3"},"content":{"rendered":"\n

\u5728 Python 3 \u4e2d\uff0c\u5143\u7ec4\uff08Tuple\uff09\u662f\u4e00\u79cd\u4e0d\u53ef\u53d8\uff08Immutable\uff09\u3001\u6709\u5e8f\u7684\u6570\u636e\u7ed3\u6784<\/strong>\uff0c\u7528\u4e8e\u5b58\u50a8\u591a\u4e2a\u5143\u7d20\u3002\u5143\u7ec4\u7c7b\u4f3c\u4e8e\u5217\u8868\uff0c\u4f46\u5143\u7ec4\u7684\u5143\u7d20\u4e0d\u80fd\u88ab\u4fee\u6539<\/strong>\uff08\u4e0d\u53ef\u53d8\u6027\uff09\uff0c\u4f7f\u5176\u66f4\u52a0\u5b89\u5168\uff0c\u9002\u7528\u4e8e\u6570\u636e\u4e0d\u5e94\u66f4\u6539\u7684\u573a\u666f\u3002<\/p>\n\n\n\n

\n\n\n\n

1. \u5143\u7ec4\u7684\u5b9a\u4e49<\/strong><\/h2>\n\n\n\n

Python \u4f7f\u7528 \u5706\u62ec\u53f7 ()<\/code><\/strong> \u5b9a\u4e49\u5143\u7ec4\uff0c\u591a\u4e2a\u5143\u7d20\u4e4b\u95f4\u7528 \u9017\u53f7 ,<\/code><\/strong> \u5206\u9694\u3002<\/p>\n\n\n\n

\ud83d\udccc \u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n\n\n\n

# \u521b\u5efa\u5143\u7ec4\ntuple1 = (1, 2, 3, 4, 5)\ntuple2 = (\"apple\", \"banana\", \"cherry\")\ntuple3 = (True, False, True)\ntuple4 = (1, \"Python\", 3.14, [10, 20, 30])  # \u53ef\u4ee5\u5305\u542b\u4e0d\u540c\u7c7b\u578b\n\nprint(tuple1)  # (1, 2, 3, 4, 5)\nprint(tuple2)  # ('apple', 'banana', 'cherry')\nprint(tuple4)  # (1, 'Python', 3.14, [10, 20, 30])<\/code><\/pre>\n\n\n\n
\u6ce8\u610f\uff1a<\/strong><\/h3>\n\n\n\n
\u5982\u679c\u5143\u7ec4\u4e2d\u53ea\u6709\u4e00\u4e2a\u5143\u7d20<\/strong>\uff0c\u5fc5\u987b\u5728\u5143\u7d20\u540e\u9762\u6dfb\u52a0 \u9017\u53f7 ,<\/code><\/strong>\uff0c\u5426\u5219 Python \u4f1a\u5f53\u4f5c\u666e\u901a\u7684\u53d8\u91cf\u5904\u7406\uff01<\/p>\n\n\n\n
\ud83d\udccc \u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n\n\n\n
tuple_single = (10)  # \u4e0d\u662f\u5143\u7ec4\uff0c\u800c\u662f\u6574\u6570\nprint(type(tuple_single))  # <class 'int'>\n\ntuple_single_correct = (10,)  # \u6b63\u786e\u7684\u5355\u5143\u7d20\u5143\u7ec4\nprint(type(tuple_single_correct))  # <class 'tuple'><\/code><\/pre>\n\n\n\n
\n\n\n\n
2. \u8bbf\u95ee\u5143\u7ec4\u5143\u7d20<\/strong><\/h2>\n\n\n\n
\uff081\uff09\u7d22\u5f15\u8bbf\u95ee<\/strong><\/h3>\n\n\n\n
\u5143\u7ec4\u7684\u7d22\u5f15\u4ece 0<\/strong> \u5f00\u59cb\uff0c\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u83b7\u53d6\u5143\u7d20<\/strong>\uff0c\u652f\u6301\u6b63\u5411\u7d22\u5f15<\/strong>\u548c\u8d1f\u5411\u7d22\u5f15<\/strong>\u3002<\/p>\n\n\n\n
\ud83d\udccc \u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n\n\n\n
tuple1 = (\"Python\", \"Java\", \"C++\", \"JavaScript\")\nprint(tuple1[0])   # Python\nprint(tuple1[2])   # C++\nprint(tuple1[-1])  # JavaScript\uff08\u8d1f\u7d22\u5f15\uff09\nprint(tuple1[-3])  # Java<\/code><\/pre>\n\n\n\n
\uff082\uff09\u5207\u7247\uff08Slicing\uff09<\/strong><\/h3>\n\n\n\n
\u53ef\u4ee5\u4f7f\u7528 \u5143\u7ec4[start:end:step]<\/code> \u8fdb\u884c\u5207\u7247\uff1a<\/p>\n\n\n\n
    \n
  • start<\/code>\uff1a\u8d77\u59cb\u7d22\u5f15\uff08\u5305\u542b\uff09<\/li>\n\n\n\n
  • end<\/code>\uff1a\u7ed3\u675f\u7d22\u5f15\uff08\u4e0d\u5305\u542b\uff09<\/li>\n\n\n\n
  • step<\/code>\uff1a\u6b65\u957f\uff08\u9ed8\u8ba4\u4e3a 1<\/code>\uff09<\/li>\n<\/ul>\n\n\n\n
    \ud83d\udccc \u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n\n\n\n
    tuple1 = (\"a\", \"b\", \"c\", \"d\", \"e\", \"f\", \"g\")\n\nprint(tuple1[1:4])     # ('b', 'c', 'd')\nprint(tuple1[:3])      # ('a', 'b', 'c') (\u9ed8\u8ba4\u4ece 0 \u5f00\u59cb)\nprint(tuple1[4:])      # ('e', 'f', 'g') (\u9ed8\u8ba4\u5230\u672b\u5c3e)\nprint(tuple1[::2])     # ('a', 'c', 'e', 'g') (\u6b65\u957f\u4e3a 2)\nprint(tuple1[::-1])    # \u53cd\u8f6c\u5143\u7ec4 ('g', 'f', 'e', 'd', 'c', 'b', 'a')<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    3. \u4fee\u6539\u5143\u7ec4\uff08\u274c \u5143\u7ec4\u662f\u4e0d\u53ef\u53d8\u7684\uff01\uff09<\/strong><\/h2>\n\n\n\n
    \u5143\u7ec4\u7684\u4e0d\u53ef\u53d8\u6027<\/strong>\u610f\u5473\u7740\u5b83\u7684\u5143\u7d20\u4e0d\u80fd\u88ab\u4fee\u6539\u3001\u6dfb\u52a0\u6216\u5220\u9664<\/strong>\u3002<\/p>\n\n\n\n
    \ud83d\udccc \u793a\u4f8b\u4ee3\u7801\uff08\u9519\u8bef\u793a\u8303\uff09\uff1a<\/strong><\/p>\n\n\n\n
    tuple1 = (1, 2, 3)\ntuple1[0] = 10  # \u274c \u62a5\u9519\uff1aTypeError: 'tuple' object does not support item assignment<\/code><\/pre>\n\n\n\n
    \u53d8\u901a\u65b9\u6cd5\uff1a\u5c06\u5143\u7ec4\u8f6c\u6362\u4e3a\u5217\u8868<\/strong><\/h3>\n\n\n\n
    \u5982\u679c\u9700\u8981\u4fee\u6539\uff0c\u53ef\u4ee5\u5148\u8f6c\u6362\u4e3a\u5217\u8868\uff08list\uff09\uff0c\u4fee\u6539\u540e\u518d\u8f6c\u6362\u56de\u5143\u7ec4<\/strong>\u3002<\/p>\n\n\n\n
    \ud83d\udccc \u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n\n\n\n
    tuple1 = (1, 2, 3)\nlist1 = list(tuple1)  # \u8f6c\u6362\u4e3a\u5217\u8868\nlist1[0] = 10         # \u4fee\u6539\u5217\u8868\ntuple1 = tuple(list1)  # \u8f6c\u6362\u56de\u5143\u7ec4\nprint(tuple1)  # (10, 2, 3)<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    4. \u5143\u7ec4\u7684\u57fa\u672c\u64cd\u4f5c<\/strong><\/h2>\n\n\n\n
    \uff081\uff09\u62fc\u63a5\uff08+<\/code>\uff09<\/strong><\/h3>\n\n\n\n
    \ud83d\udccc \u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n\n\n\n
    tuple1 = (1, 2, 3)\ntuple2 = (4, 5, 6)\ntuple3 = tuple1 + tuple2  # \u8fde\u63a5\u4e24\u4e2a\u5143\u7ec4\nprint(tuple3)  # (1, 2, 3, 4, 5, 6)<\/code><\/pre>\n\n\n\n
    \uff082\uff09\u91cd\u590d\uff08*<\/code>\uff09<\/strong><\/h3>\n\n\n\n
    \ud83d\udccc \u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n\n\n\n
    tuple1 = (\"Hello\",) * 3\nprint(tuple1)  # ('Hello', 'Hello', 'Hello')<\/code><\/pre>\n\n\n\n
    \uff083\uff09\u68c0\u67e5\u5143\u7d20\u662f\u5426\u5b58\u5728\uff08in<\/code>\uff09<\/strong><\/h3>\n\n\n\n
    \ud83d\udccc \u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n\n\n\n
    tuple1 = (\"apple\", \"banana\", \"cherry\")\nprint(\"banana\" in tuple1)  # True\nprint(\"orange\" in tuple1)  # False<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    5. \u904d\u5386\u5143\u7ec4<\/strong><\/h2>\n\n\n\n
    \uff081\uff09\u4f7f\u7528 for<\/code> \u5faa\u73af<\/strong><\/h3>\n\n\n\n
    \ud83d\udccc \u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n\n\n\n
    tuple1 = (\"Python\", \"Java\", \"C++\", \"JavaScript\")\n\nfor item in tuple1:\n    print(item)<\/code><\/pre>\n\n\n\n
    \uff082\uff09\u4f7f\u7528 enumerate()<\/code> \u83b7\u53d6\u7d22\u5f15\u548c\u503c<\/strong><\/h3>\n\n\n\n
    \ud83d\udccc \u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n\n\n\n
    tuple1 = (\"Python\", \"Java\", \"C++\")\n\nfor index, value in enumerate(tuple1):\n    print(f\"\u7d22\u5f15 {index}: {value}\")<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    6. \u5143\u7ec4\u7684\u5e38\u7528\u65b9\u6cd5<\/strong><\/h2>\n\n\n\n
    \u65b9\u6cd5<\/th>\u8bf4\u660e<\/th>\u793a\u4f8b<\/th><\/tr><\/thead>
    count(x)<\/code><\/td>\u7edf\u8ba1\u5143\u7d20 x<\/code> \u5728\u5143\u7ec4\u4e2d\u7684\u51fa\u73b0\u6b21\u6570<\/td>tuple1.count(3)<\/code><\/td><\/tr>
    index(x)<\/code><\/td>\u83b7\u53d6\u5143\u7d20 x<\/code> \u7684\u7d22\u5f15\u4f4d\u7f6e<\/td>tuple1.index(\"Python\")<\/code><\/td><\/tr>
    len(tuple)<\/code><\/td>\u83b7\u53d6\u5143\u7ec4\u957f\u5ea6<\/td>len(tuple1)<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    \ud83d\udccc \u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n\n\n\n
    tuple1 = (1, 2, 3, 1, 4, 1)\nprint(tuple1.count(1))  # \u7edf\u8ba1 1 \u51fa\u73b0\u7684\u6b21\u6570 -> 3\nprint(tuple1.index(3))  # \u627e\u5230 3 \u7684\u7d22\u5f15 -> 2\nprint(len(tuple1))      # \u8ba1\u7b97\u5143\u7ec4\u957f\u5ea6 -> 6<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    7. \u5143\u7ec4\u4e0e\u5217\u8868\u7684\u533a\u522b<\/strong><\/h2>\n\n\n\n
    \u7279\u6027<\/th>\u5143\u7ec4\uff08Tuple\uff09<\/strong><\/th>\u5217\u8868\uff08List\uff09<\/strong><\/th><\/tr><\/thead>
    \u7b26\u53f7<\/strong><\/td>()<\/code><\/td>[]<\/code><\/td><\/tr>
    \u662f\u5426\u53ef\u53d8<\/strong><\/td>\u274c \u4e0d\u53ef\u53d8\uff08Immutable\uff09<\/td>\u2705 \u53ef\u53d8\uff08Mutable\uff09<\/td><\/tr>
    \u64cd\u4f5c\u901f\u5ea6<\/strong><\/td>\ud83d\ude80 \u8bbf\u95ee\u901f\u5ea6\u66f4\u5feb<\/td>\ud83d\udc22 \u8bbf\u95ee\u901f\u5ea6\u7a0d\u6162<\/td><\/tr>
    \u5b58\u50a8\u5360\u7528<\/strong><\/td>\ud83d\ude80 \u5360\u7528\u7a7a\u95f4\u66f4\u5c11<\/td>\ud83d\udc22 \u5360\u7528\u7a7a\u95f4\u8f83\u5927<\/td><\/tr>
    \u9002\u7528\u573a\u666f<\/strong><\/td>\u6570\u636e\u4e0d\u9700\u8981\u4fee\u6539\u7684\u573a\u666f<\/strong><\/td>\u6570\u636e\u9700\u8981\u4fee\u6539\u7684\u573a\u666f<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    \n\n\n\n
    8. \u5143\u7ec4\u89e3\u5305\uff08Tuple Unpacking\uff09<\/strong><\/h2>\n\n\n\n
    \u5143\u7ec4\u652f\u6301\u89e3\u5305\uff08unpacking\uff09<\/strong>\uff0c\u53ef\u4ee5\u5feb\u901f\u8d4b\u503c\u7ed9\u591a\u4e2a\u53d8\u91cf\u3002<\/p>\n\n\n\n
    \ud83d\udccc \u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n\n\n\n
    tuple1 = (10, 20, 30)\na, b, c = tuple1\nprint(a, b, c)  # 10 20 30<\/code><\/pre>\n\n\n\n
    \ud83d\udccc \u4f7f\u7528 *<\/code> \u53f7\u63a5\u6536\u5269\u4f59\u5143\u7d20<\/strong><\/p>\n\n\n\n
    tuple2 = (1, 2, 3, 4, 5)\na, *b, c = tuple2\nprint(a)  # 1\nprint(b)  # [2, 3, 4]\nprint(c)  # 5<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u603b\u7ed3<\/strong><\/h2>\n\n\n\n
      \n
    • \u5143\u7ec4\u662f\u4e0d\u53ef\u53d8\u7684\uff08Immutable\uff09\uff0c\u9002\u5408\u5b58\u50a8\u4e0d\u53d8\u6570\u636e<\/strong><\/li>\n\n\n\n
    • \u652f\u6301\u7d22\u5f15\u3001\u5207\u7247\u3001\u62fc\u63a5\u3001\u89e3\u5305\u7b49\u64cd\u4f5c<\/strong><\/li>\n\n\n\n
    • \u64cd\u4f5c\u901f\u5ea6\u5feb\uff0c\u5360\u7528\u5185\u5b58\u5c11<\/strong><\/li>\n\n\n\n
    • \u5982\u679c\u9700\u8981\u4fee\u6539\uff0c\u53ef\u4ee5\u5148\u8f6c\u6362\u4e3a\u5217\u8868\uff08list\uff09\uff0c\u518d\u4fee\u6539\u540e\u8f6c\u6362\u56de\u5143\u7ec4<\/strong><\/li>\n<\/ul>\n\n\n\n
      \u5efa\u8bae\uff1a<\/strong><\/p>\n\n\n\n
        \n
      • \u5982\u679c\u6570\u636e\u9700\u8981\u4fee\u6539\uff0c\u4f7f\u7528\u5217\u8868\uff08list\uff09<\/strong><\/li>\n\n\n\n
      • \u5982\u679c\u6570\u636e\u4e0d\u53d8\uff0c\u4f7f\u7528\u5143\u7ec4\uff08tuple\uff09\u63d0\u9ad8\u6548\u7387<\/strong> <\/li>\n<\/ul>\n\n\n\n
        \u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u5728 Python 3 \u4e2d\uff0c\u5143\u7ec4\uff08Tuple\uff09\u662f\u4e00\u79cd\u4e0d\u53ef\u53d8\uff08Immutable\uff09\u3001\u6709\u5e8f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u591a\u4e2a\u5143 […]<\/p>\n","protected":false},"author":1,"featured_media":2739,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[79],"tags":[],"class_list":["post-2738","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python-3-"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2738","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=2738"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2738\/revisions"}],"predecessor-version":[{"id":2740,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2738\/revisions\/2740"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/2739"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=2738"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=2738"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=2738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}