{"id":1072204,"date":"2025-01-08T11:14:10","date_gmt":"2025-01-08T03:14:10","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1072204.html"},"modified":"2025-01-08T11:14:13","modified_gmt":"2025-01-08T03:14:13","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bb%8e%e5%b0%8f%e5%88%b0%e5%a4%a7%e6%8e%92%e5%ba%8f-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1072204.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u4ece\u5c0f\u5230\u5927\u6392\u5e8f"},"content":{"rendered":"

\"python\u4e2d\u5982\u4f55\u4ece\u5c0f\u5230\u5927\u6392\u5e8f\"<\/p>\n

\u5728Python\u4e2d\uff0c\u4ece\u5c0f\u5230\u5927\u6392\u5e8f\u53ef\u4ee5\u4f7f\u7528sorted()\u51fd\u6570\u3001list.sort()\u65b9\u6cd5\u3001\u4ee5\u53ca\u5176\u4ed6\u81ea\u5b9a\u4e49\u6392\u5e8f\u65b9\u6cd5\u3002<\/strong> \u5176\u4e2d\uff0csorted()<\/code>\u51fd\u6570\u548clist.sort()<\/code>\u65b9\u6cd5\u662f\u6700\u5e38\u7528\u7684\u4e24\u79cd\u65b9\u6cd5\u3002sorted()<\/code>\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u6392\u5e8f\u540e\u7684\u5217\u8868\uff0c\u800clist.sort()<\/code>\u65b9\u6cd5\u5219\u662f\u76f4\u63a5\u5728\u539f\u5217\u8868\u4e0a\u8fdb\u884c\u6392\u5e8f\u3002\u4e0b\u9762\u6211\u4eec\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e24\u79cd\u65b9\u6cd5\u4ee5\u53ca\u5176\u4ed6\u4e00\u4e9b\u9ad8\u7ea7\u7528\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001sorted()\u51fd\u6570<\/h3>\n<\/p>\n

sorted()<\/code>\u51fd\u6570\u662fPython\u5185\u7f6e\u7684\u6392\u5e8f\u51fd\u6570\uff0c\u53ef\u4ee5\u5bf9\u4efb\u4f55\u53ef\u8fed\u4ee3\u5bf9\u8c61\u8fdb\u884c\u6392\u5e8f\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n

numbers = [5, 2, 9, 1, 5, 6]<\/p>\n
sorted_numbers = sorted(numbers)<\/p>\n
print(sorted_numbers)  # \u8f93\u51fa: [1, 2, 5, 5, 6, 9]<\/p>\n
<\/code><\/pre>\n<\/p>\n
sorted()\u51fd\u6570\u7684\u53c2\u6570<\/h4>\n<\/p>\n
    \n
  1. iterable<\/strong>: \u9700\u8981\u6392\u5e8f\u7684\u53ef\u8fed\u4ee3\u5bf9\u8c61\u3002<\/li>\n
  2. key<\/strong>: \u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u6765\u6307\u5b9a\u6392\u5e8f\u4f9d\u636e\u3002<\/li>\n
  3. reverse<\/strong>: \u5e03\u5c14\u503c\uff0c\u5982\u679c\u4e3aTrue\uff0c\u5217\u8868\u5c06\u88ab\u964d\u5e8f\u6392\u5e8f\u3002<\/li>\n<\/ol>\n
    \u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7key<\/code>\u53c2\u6570\u6839\u636e\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u8fdb\u884c\u6392\u5e8f\uff1a<\/p>\n<\/p>\n
    words = ["apple", "banana", "cherry", "date"]<\/p>\n
    sorted_words = sorted(words, key=len)<\/p>\n
    print(sorted_words)  # \u8f93\u51fa: ['date', 'apple', 'banana', 'cherry']<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u4e8c\u3001list.sort()\u65b9\u6cd5<\/h3>\n<\/p>\n
    list.sort()<\/code>\u65b9\u6cd5\u662f\u5217\u8868\u5bf9\u8c61\u7684\u4e00\u4e2a\u65b9\u6cd5\uff0c\u5b83\u4f1a\u76f4\u63a5\u5bf9\u539f\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<\/p>\n
    numbers = [5, 2, 9, 1, 5, 6]<\/p>\n
    numbers.sort()<\/p>\n
    print(numbers)  # \u8f93\u51fa: [1, 2, 5, 5, 6, 9]<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    list.sort()\u65b9\u6cd5\u7684\u53c2\u6570<\/h4>\n<\/p>\n
      \n
    1. key<\/strong>: \u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u6765\u6307\u5b9a\u6392\u5e8f\u4f9d\u636e\u3002<\/li>\n
    2. reverse<\/strong>: \u5e03\u5c14\u503c\uff0c\u5982\u679c\u4e3aTrue\uff0c\u5217\u8868\u5c06\u88ab\u964d\u5e8f\u6392\u5e8f\u3002<\/li>\n<\/ol>\n
      \u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7key<\/code>\u53c2\u6570\u6839\u636e\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u8fdb\u884c\u6392\u5e8f\uff1a<\/p>\n<\/p>\n
      words = ["apple", "banana", "cherry", "date"]<\/p>\n
      words.sort(key=len)<\/p>\n
      print(words)  # \u8f93\u51fa: ['date', 'apple', 'banana', 'cherry']<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u4e09\u3001\u81ea\u5b9a\u4e49\u6392\u5e8f<\/h3>\n<\/p>\n
      \u6709\u65f6\u5019\uff0c\u6211\u4eec\u9700\u8981\u81ea\u5b9a\u4e49\u6392\u5e8f\u89c4\u5219\uff0c\u8fd9\u53ef\u4ee5\u901a\u8fc7key<\/code>\u53c2\u6570\u5b9e\u73b0\u3002key<\/code>\u53c2\u6570\u63a5\u53d7\u4e00\u4e2a\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u4f1a\u88ab\u7528\u4e8e\u6bcf\u4e2a\u5143\u7d20\uff0c\u8fd4\u56de\u503c\u5c06\u4f5c\u4e3a\u6392\u5e8f\u7684\u4f9d\u636e\u3002<\/p>\n<\/p>\n
      \u4f8b\u5982\uff0c\u6839\u636e\u5143\u7ec4\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\u8fdb\u884c\u6392\u5e8f\uff1a<\/p>\n<\/p>\n
      items = [(1, 'apple'), (2, 'banana'), (3, 'cherry'), (4, 'date')]<\/p>\n
      sorted_items = sorted(items, key=lambda item: item[1])<\/p>\n
      print(sorted_items)  # \u8f93\u51fa: [(1, 'apple'), (2, 'banana'), (3, 'cherry'), (4, 'date')]<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u56db\u3001\u590d\u6742\u6570\u636e\u7ed3\u6784\u7684\u6392\u5e8f<\/h3>\n<\/p>\n
      \u5bf9\u4e8e\u590d\u6742\u6570\u636e\u7ed3\u6784\uff08\u5982\u5b57\u5178\u3001\u5d4c\u5957\u5217\u8868\u7b49\uff09\uff0c\u6392\u5e8f\u53ef\u80fd\u4f1a\u7a0d\u5fae\u590d\u6742\u4e00\u4e9b\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u6709\u4e00\u4e2a\u5b57\u5178\u5217\u8868\uff0c\u5e0c\u671b\u6839\u636e\u5b57\u5178\u7684\u67d0\u4e2a\u952e\u8fdb\u884c\u6392\u5e8f\uff1a<\/p>\n<\/p>\n
      students = [<\/p>\n
          {'name': 'John', 'age': 25},<\/p>\n
          {'name': 'Jane', 'age': 22},<\/p>\n
          {'name': 'Dave', 'age': 24}<\/p>\n
      ]<\/p>\n
      sorted_students = sorted(students, key=lambda student: student['age'])<\/p>\n
      print(sorted_students)<\/p>\n
      \u8f93\u51fa: [{'name': 'Jane', 'age': 22}, {'name': 'Dave', 'age': 24}, {'name': 'John', 'age': 25}]<\/strong><\/h2>\n
      <\/code><\/pre>\n<\/p>\n
      \u4e94\u3001\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u8003\u8651<\/h3>\n<\/p>\n
      Python\u7684\u6392\u5e8f\u7b97\u6cd5\u662fTimsort\uff0c\u8fd9\u662f\u4e00\u79cd\u7a33\u5b9a\u7684\u6392\u5e8f\u7b97\u6cd5\uff0c\u590d\u6742\u5ea6\u4e3aO(n log n)\u3002\u7a33\u5b9a\u6027\u6307\u7684\u662f\u5982\u679c\u4e24\u4e2a\u5143\u7d20\u76f8\u7b49\uff0c\u5b83\u4eec\u5728\u6392\u5e8f\u540e\u76f8\u5bf9\u4f4d\u7f6e\u4fdd\u6301\u4e0d\u53d8\u3002<\/p>\n<\/p>\n
      \u6027\u80fd\u4f18\u5316<\/h4>\n<\/p>\n
        \n
      1. \u907f\u514d\u91cd\u590d\u8ba1\u7b97<\/strong>\uff1a\u5728\u6392\u5e8f\u524d\u8ba1\u7b97\u597dkey\uff0c\u53ef\u4ee5\u907f\u514d\u5728\u6392\u5e8f\u8fc7\u7a0b\u4e2d\u91cd\u590d\u8ba1\u7b97\u3002<\/li>\n
      2. \u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784<\/strong>\uff1a\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784\uff0c\u4f8b\u5982\u94fe\u8868\u3001\u5806\u7b49\u3002<\/li>\n<\/ol>\n
        \u516d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
        \u5728Python\u4e2d\uff0c\u4ece\u5c0f\u5230\u5927\u6392\u5e8f\u53ef\u4ee5\u901a\u8fc7sorted()<\/code>\u51fd\u6570\u548clist.sort()<\/code>\u65b9\u6cd5\u8f7b\u677e\u5b9e\u73b0\u3002sorted()<\/code>\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u6392\u5e8f\u540e\u7684\u5217\u8868\uff0c\u800clist.sort()<\/code>\u65b9\u6cd5\u76f4\u63a5\u5728\u539f\u5217\u8868\u4e0a\u8fdb\u884c\u6392\u5e8f\u3002\u4e24\u8005\u5747\u652f\u6301key<\/code>\u548creverse<\/code>\u53c2\u6570\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u81ea\u5b9a\u4e49\u6392\u5e8f\u89c4\u5219\u3002\u6b64\u5916\uff0c\u5bf9\u4e8e\u590d\u6742\u6570\u636e\u7ed3\u6784\u7684\u6392\u5e8f\uff0c\u53ef\u4ee5\u901a\u8fc7key<\/code>\u53c2\u6570\u6307\u5b9a\u5177\u4f53\u7684\u6392\u5e8f\u4f9d\u636e\u3002\u901a\u8fc7\u5408\u7406\u5229\u7528\u8fd9\u4e9b\u65b9\u6cd5\u548c\u53c2\u6570\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u5b9e\u73b0\u5404\u79cd\u6392\u5e8f\u9700\u6c42\u3002<\/p>\n<\/p>\n
        \u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528Python\u4e2d\u7684\u6392\u5e8f\u529f\u80fd\u3002<\/p>\n<\/p>\n
        \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
         \u5982\u4f55\u5728Python\u4e2d\u5bf9\u5217\u8868\u8fdb\u884c\u6392\u5e8f\uff1f<\/strong>
        \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684sort()<\/code>\u65b9\u6cd5\u548csorted()<\/code>\u51fd\u6570\u6765\u5bf9\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002sort()<\/code>\u65b9\u6cd5\u76f4\u63a5\u5728\u539f\u5217\u8868\u4e0a\u8fdb\u884c\u6392\u5e8f\uff0c\u800csorted()<\/code>\u51fd\u6570\u5219\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u6392\u5e8f\u5217\u8868\u3002\u4f7f\u7528\u793a\u4f8b\uff1a  <\/p>\n
        # \u4f7f\u7528sort()\u65b9\u6cd5\nmy_list = [3, 1, 4, 1, 5, 9]\nmy_list.sort()  \nprint(my_list)  # \u8f93\u51fa: [1, 1, 3, 4, 5, 9]\n\n# \u4f7f\u7528sorted()\u51fd\u6570\nanother_list = [3, 1, 4, 1, 5, 9]\nsorted_list = sorted(another_list)  \nprint(sorted_list)  # \u8f93\u51fa: [1, 1, 3, 4, 5, 9]\n<\/code><\/pre>\n
        \u5728Python\u4e2d\u5982\u4f55\u5bf9\u5b57\u5178\u7684\u503c\u8fdb\u884c\u6392\u5e8f\uff1f<\/strong>
        \u5b57\u5178\u7684\u6392\u5e8f\u901a\u5e38\u662f\u901a\u8fc7\u5176\u503c\u8fdb\u884c\u7684\u3002\u53ef\u4ee5\u4f7f\u7528sorted()<\/code>\u51fd\u6570\u7ed3\u5408lambda<\/code>\u8868\u8fbe\u5f0f\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a  <\/p>\n
        my_dict = {'apple': 5, 'banana': 2, 'orange': 3}\nsorted_dict = dict(sorted(my_dict.items(), key=lambda item: item[1]))\nprint(sorted_dict)  # \u8f93\u51fa: {'banana': 2, 'orange': 3, 'apple': 5}\n<\/code><\/pre>\n
        \u8fd9\u6837\u53ef\u4ee5\u6839\u636e\u5b57\u5178\u7684\u503c\u4ece\u5c0f\u5230\u5927\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n
        Python\u4e2d\u5982\u4f55\u5bf9\u81ea\u5b9a\u4e49\u5bf9\u8c61\u8fdb\u884c\u6392\u5e8f\uff1f<\/strong>
        \u5982\u679c\u6709\u81ea\u5b9a\u4e49\u7c7b\u7684\u5bf9\u8c61\u9700\u8981\u6392\u5e8f\uff0c\u53ef\u4ee5\u5b9e\u73b0__lt__<\/code>\u65b9\u6cd5\u6765\u5b9a\u4e49\u5c0f\u4e8e\u6bd4\u8f83\u8fd0\u7b97\u3002\u793a\u4f8b\u5982\u4e0b\uff1a  <\/p>\n
        class Fruit:\n    def __init__(self, name, quantity):\n        self.name = name\n        self.quantity = quantity\n\n    def __lt__(self, other):\n        return self.quantity < other.quantity\n\nfruits = [Fruit('apple', 5), Fruit('banana', 2), Fruit('orange', 3)]\nfruits.sort()  # \u6839\u636equantity\u6392\u5e8f\nfor fruit in fruits:\n    print(fruit.name, fruit.quantity)  # \u8f93\u51fa: banana 2, orange 3, apple 5\n<\/code><\/pre>\n
        \u901a\u8fc7\u5b9e\u73b0\u6bd4\u8f83\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8f7b\u677e\u5bf9\u81ea\u5b9a\u4e49\u5bf9\u8c61\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u4ece\u5c0f\u5230\u5927\u6392\u5e8f\u53ef\u4ee5\u4f7f\u7528sorted()\u51fd\u6570\u3001list.sort()\u65b9\u6cd5\u3001\u4ee5\u53ca\u5176\u4ed6\u81ea\u5b9a\u4e49\u6392\u5e8f\u65b9\u6cd5 […]","protected":false},"author":3,"featured_media":1072219,"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\/1072204"}],"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=1072204"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1072204\/revisions"}],"predecessor-version":[{"id":1072223,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1072204\/revisions\/1072223"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1072219"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1072204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1072204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1072204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}