{"id":929167,"date":"2024-12-26T16:50:15","date_gmt":"2024-12-26T08:50:15","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/929167.html"},"modified":"2024-12-26T16:50:16","modified_gmt":"2024-12-26T08:50:16","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e6%8e%92%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/929167.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u6392\u5e8f"},"content":{"rendered":"

\"python\u4e2d\u5982\u4f55\u6392\u5e8f\"<\/p>\n

\u5728Python\u4e2d\u6392\u5e8f\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u4e3b\u8981\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u7684sorted()<\/code>\u51fd\u6570\u3001\u5217\u8868\u5bf9\u8c61\u7684sort()<\/code>\u65b9\u6cd5\u3001\u4ee5\u53ca\u5176\u4ed6\u9ad8\u7ea7\u6392\u5e8f\u6280\u672f\u5982\u4f7f\u7528key<\/code>\u53c2\u6570\u8fdb\u884c\u81ea\u5b9a\u4e49\u6392\u5e8f\u7b49\u3002\u5e38\u7528\u7684\u6392\u5e8f\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u5185\u7f6e\u51fd\u6570sorted()<\/code>\u3001\u5217\u8868\u65b9\u6cd5sort()<\/code>\u3001\u81ea\u5b9a\u4e49\u6392\u5e8f\u51fd\u6570<\/strong>\u3002\u5176\u4e2d\uff0csorted()<\/code>\u51fd\u6570\u662f\u6700\u5e38\u7528\u7684\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u5bf9\u4efb\u4f55\u53ef\u8fed\u4ee3\u5bf9\u8c61\u8fdb\u884c\u6392\u5e8f\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u5217\u8868\uff0c\u800csort()<\/code>\u65b9\u6cd5\u5219\u662f\u5bf9\u5217\u8868\u672c\u8eab\u8fdb\u884c\u6392\u5e8f\uff0c\u5e76\u4e0d\u8fd4\u56de\u65b0\u7684\u5217\u8868\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u6392\u5e8f\u65b9\u6cd5\u53ca\u5176\u5e94\u7528\u3002<\/p>\n<\/p>\n

\n

\u4e00\u3001SORTED()\u51fd\u6570<\/h2>\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\u6392\u5e8f\u540e\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n

1. \u57fa\u672c\u7528\u6cd5<\/h3>\n<\/p>\n

sorted()<\/code>\u51fd\u6570\u7684\u57fa\u672c\u7528\u6cd5\u662f\u4f20\u5165\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u6392\u5e8f\u540e\u7684\u5217\u8868\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0csorted()<\/code>\u51fd\u6570\u6309\u5347\u5e8f\u6392\u5e8f\u3002<\/p>\n<\/p>\n

numbers = [3, 1, 4, 1, 5, 9, 2, 6, 5]<\/p>\n
sorted_numbers = sorted(numbers)<\/p>\n
print(sorted_numbers)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0csorted()<\/code>\u51fd\u6570\u5bf9numbers<\/code>\u5217\u8868\u8fdb\u884c\u4e86\u6392\u5e8f\uff0c\u8fd4\u56de\u4e86\u4e00\u4e2a\u65b0\u7684\u6392\u5e8f\u540e\u7684\u5217\u8868sorted_numbers<\/code>\u3002<\/p>\n<\/p>\n
2. \u4f7f\u7528key<\/code>\u53c2\u6570\u81ea\u5b9a\u4e49\u6392\u5e8f<\/h3>\n<\/p>\n
sorted()<\/code>\u51fd\u6570\u5141\u8bb8\u4f7f\u7528key<\/code>\u53c2\u6570\u6765\u81ea\u5b9a\u4e49\u6392\u5e8f\u89c4\u5219\u3002key<\/code>\u53c2\u6570\u9700\u8981\u4f20\u5165\u4e00\u4e2a\u51fd\u6570\uff0c\u8fd9\u4e2a\u51fd\u6570\u4f1a\u4f5c\u7528\u4e8e\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u6839\u636e\u51fd\u6570\u7684\u8fd4\u56de\u503c\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<\/p>\n
words = ["banana", "apple", "cherry", "date"]<\/p>\n
sorted_words = sorted(words, key=len)<\/p>\n
print(sorted_words)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0ckey<\/code>\u53c2\u6570\u4f20\u5165\u4e86len<\/code>\u51fd\u6570\uff0c\u4e8e\u662fsorted()<\/code>\u51fd\u6570\u6839\u636e\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u5bf9\u5217\u8868\u8fdb\u884c\u4e86\u6392\u5e8f\u3002<\/p>\n<\/p>\n
3. \u5012\u5e8f\u6392\u5217<\/h3>\n<\/p>\n
\u901a\u8fc7\u8bbe\u7f6ereverse=True<\/code>\u53c2\u6570\uff0csorted()<\/code>\u51fd\u6570\u53ef\u4ee5\u5b9e\u73b0\u964d\u5e8f\u6392\u5217\u3002<\/p>\n<\/p>\n
numbers = [3, 1, 4, 1, 5, 9, 2, 6, 5]<\/p>\n
sorted_numbers_desc = sorted(numbers, reverse=True)<\/p>\n
print(sorted_numbers_desc)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0creverse=True<\/code>\u53c2\u6570\u4f7f\u5f97sorted()<\/code>\u51fd\u6570\u6309\u964d\u5e8f\u5bf9\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<\/p>\n
\n
\u4e8c\u3001LIST\u5bf9\u8c61\u7684SORT()\u65b9\u6cd5<\/h2>\n<\/p>\n
sort()<\/code>\u65b9\u6cd5\u662f\u5217\u8868\u5bf9\u8c61\u7684\u4e00\u4e2a\u65b9\u6cd5\uff0c\u5b83\u4f1a\u5bf9\u5217\u8868\u672c\u8eab\u8fdb\u884c\u6392\u5e8f\uff0c\u800c\u4e0d\u662f\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
1. \u57fa\u672c\u7528\u6cd5<\/h3>\n<\/p>\n
sort()<\/code>\u65b9\u6cd5\u76f4\u63a5\u4f5c\u7528\u4e8e\u5217\u8868\u5bf9\u8c61\uff0c\u5bf9\u5176\u8fdb\u884c\u539f\u5730\u6392\u5e8f\u3002<\/p>\n<\/p>\n
numbers = [3, 1, 4, 1, 5, 9, 2, 6, 5]<\/p>\n
numbers.sort()<\/p>\n
print(numbers)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cnumbers<\/code>\u5217\u8868\u5728\u8c03\u7528sort()<\/code>\u65b9\u6cd5\u540e\u76f4\u63a5\u88ab\u6392\u5e8f\u3002<\/p>\n<\/p>\n
2. \u4f7f\u7528key<\/code>\u53c2\u6570\u81ea\u5b9a\u4e49\u6392\u5e8f<\/h3>\n<\/p>\n
\u548csorted()<\/code>\u51fd\u6570\u4e00\u6837\uff0csort()<\/code>\u65b9\u6cd5\u4e5f\u652f\u6301key<\/code>\u53c2\u6570\u7528\u4e8e\u81ea\u5b9a\u4e49\u6392\u5e8f\u89c4\u5219\u3002<\/p>\n<\/p>\n
words = ["banana", "apple", "cherry", "date"]<\/p>\n
words.sort(key=len)<\/p>\n
print(words)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cwords<\/code>\u5217\u8868\u6839\u636e\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u8fdb\u884c\u4e86\u6392\u5e8f\u3002<\/p>\n<\/p>\n
3. \u5012\u5e8f\u6392\u5217<\/h3>\n<\/p>\n
\u901a\u8fc7\u8bbe\u7f6ereverse=True<\/code>\u53c2\u6570\uff0csort()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u964d\u5e8f\u6392\u5217\u3002<\/p>\n<\/p>\n
numbers = [3, 1, 4, 1, 5, 9, 2, 6, 5]<\/p>\n
numbers.sort(reverse=True)<\/p>\n
print(numbers)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0creverse=True<\/code>\u53c2\u6570\u4f7f\u5f97numbers<\/code>\u5217\u8868\u6309\u964d\u5e8f\u6392\u5e8f\u3002<\/p>\n<\/p>\n
\n
\u4e09\u3001\u4f7f\u7528LAMBDA\u8868\u8fbe\u5f0f\u8fdb\u884c\u81ea\u5b9a\u4e49\u6392\u5e8f<\/h2>\n<\/p>\n
Python\u63d0\u4f9b\u4e86lambda<\/code>\u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u7528\u4e8e\u5b9a\u4e49\u7b80\u5355\u7684\u533f\u540d\u51fd\u6570\uff0c\u7ed3\u5408key<\/code>\u53c2\u6570\u6765\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u6392\u5e8f\u89c4\u5219\u3002<\/p>\n<\/p>\n
1. \u6309\u7167\u591a\u4e2a\u6761\u4ef6\u6392\u5e8f<\/h3>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528lambda<\/code>\u8868\u8fbe\u5f0f\u5b9e\u73b0\u6309\u7167\u591a\u4e2a\u6761\u4ef6\u8fdb\u884c\u6392\u5e8f\u3002\u4f8b\u5982\uff0c\u5148\u6309\u7167\u957f\u5ea6\u6392\u5e8f\uff0c\u518d\u6309\u7167\u5b57\u6bcd\u987a\u5e8f\u6392\u5e8f\u3002<\/p>\n<\/p>\n
words = ["banana", "apple", "pear", "date"]<\/p>\n
sorted_words = sorted(words, key=lambda x: (len(x), x))<\/p>\n
print(sorted_words)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0clambda<\/code>\u8868\u8fbe\u5f0f\u7528\u4e8e\u5b9e\u73b0\u591a\u6761\u4ef6\u6392\u5e8f\u3002<\/p>\n<\/p>\n
2. \u81ea\u5b9a\u4e49\u5bf9\u8c61\u6392\u5e8f<\/h3>\n<\/p>\n
\u5728\u5904\u7406\u81ea\u5b9a\u4e49\u5bf9\u8c61\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528lambda<\/code>\u8868\u8fbe\u5f0f\u5bf9\u5bf9\u8c61\u7684\u5c5e\u6027\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<\/p>\n
class Fruit:<\/p>\n
    def __init__(self, name, sweetness):<\/p>\n
        self.name = name<\/p>\n
        self.sweetness = sweetness<\/p>\n
fruits = [Fruit("banana", 5), Fruit("apple", 3), Fruit("cherry", 7)]<\/p>\n
sorted_fruits = sorted(fruits, key=lambda fruit: fruit.sweetness)<\/p>\n
for fruit in sorted_fruits:<\/p>\n
    print(fruit.name)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0clambda<\/code>\u8868\u8fbe\u5f0f\u7528\u4e8e\u6839\u636eFruit<\/code>\u5bf9\u8c61\u7684sweetness<\/code>\u5c5e\u6027\u5bf9\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<\/p>\n
\n
\u56db\u3001\u4f7f\u7528OPERATOR\u6a21\u5757\u8fdb\u884c\u6392\u5e8f<\/h2>\n<\/p>\n
operator<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u51e0\u4e2a\u4fbf\u6377\u7684\u51fd\u6570\uff0c\u53ef\u4ee5\u7528\u4e8e\u6392\u5e8f\u65f6\u7684key<\/code>\u53c2\u6570\uff0c\u5c24\u5176\u5728\u5904\u7406\u81ea\u5b9a\u4e49\u5bf9\u8c61\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
1. \u4f7f\u7528attrgetter<\/code>\u51fd\u6570<\/h3>\n<\/p>\n
operator.attrgetter<\/code>\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u83b7\u53d6\u5bf9\u8c61\u7684\u5c5e\u6027\uff0c\u4ece\u800c\u7b80\u5316\u6392\u5e8f\u4ee3\u7801\u3002<\/p>\n<\/p>\n
from operator import attrgetter<\/p>\n
class Fruit:<\/p>\n
    def __init__(self, name, sweetness):<\/p>\n
        self.name = name<\/p>\n
        self.sweetness = sweetness<\/p>\n
fruits = [Fruit("banana", 5), Fruit("apple", 3), Fruit("cherry", 7)]<\/p>\n
sorted_fruits = sorted(fruits, key=attrgetter('sweetness'))<\/p>\n
for fruit in sorted_fruits:<\/p>\n
    print(fruit.name)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cattrgetter<\/code>\u51fd\u6570\u7528\u4e8e\u83b7\u53d6Fruit<\/code>\u5bf9\u8c61\u7684sweetness<\/code>\u5c5e\u6027\uff0c\u4ece\u800c\u7b80\u5316\u4e86\u6392\u5e8f\u4ee3\u7801\u3002<\/p>\n<\/p>\n
2. \u4f7f\u7528itemgetter<\/code>\u51fd\u6570<\/h3>\n<\/p>\n
operator.itemgetter<\/code>\u51fd\u6570\u7528\u4e8e\u83b7\u53d6\u5e8f\u5217\u7684\u5143\u7d20\uff0c\u5e38\u7528\u4e8e\u5bf9\u5217\u8868\u7684\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<\/p>\n
from operator import itemgetter<\/p>\n
data = [(1, 'banana'), (3, 'apple'), (2, 'cherry')]<\/p>\n
sorted_data = sorted(data, key=itemgetter(0))<\/p>\n
print(sorted_data)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0citemgetter<\/code>\u51fd\u6570\u7528\u4e8e\u83b7\u53d6\u5143\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u4ece\u800c\u5bf9\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<\/p>\n
\n
\u4e94\u3001\u4f7f\u7528NUMPY\u548cPANDAS\u8fdb\u884c\u6392\u5e8f<\/h2>\n<\/p>\n
\u5728\u6570\u636e\u5206\u6790\u548c\u79d1\u5b66\u8ba1\u7b97\u4e2d\uff0c\u901a\u5e38\u4f7f\u7528numpy<\/code>\u548cpandas<\/code>\u5e93\u8fdb\u884c\u6392\u5e8f\uff0c\u56e0\u4e3a\u5b83\u4eec\u63d0\u4f9b\u4e86\u66f4\u9ad8\u6548\u548c\u5f3a\u5927\u7684\u6392\u5e8f\u529f\u80fd\u3002<\/p>\n<\/p>\n
1. \u4f7f\u7528NUMPY\u8fdb\u884c\u6392\u5e8f<\/h3>\n<\/p>\n
numpy<\/code>\u5e93\u63d0\u4f9b\u4e86numpy.sort()<\/code>\u51fd\u6570\uff0c\u53ef\u4ee5\u5bf9\u591a\u7ef4\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<\/p>\n
import numpy as np<\/p>\n
arr = np.array([3, 1, 4, 1, 5, 9, 2, 6, 5])<\/p>\n
sorted_arr = np.sort(arr)<\/p>\n
print(sorted_arr)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cnumpy.sort()<\/code>\u51fd\u6570\u5bf9\u4e00\u7ef4\u6570\u7ec4\u8fdb\u884c\u4e86\u6392\u5e8f\u3002<\/p>\n<\/p>\n
2. \u4f7f\u7528PANDAS\u8fdb\u884c\u6392\u5e8f<\/h3>\n<\/p>\n
pandas<\/code>\u5e93\u63d0\u4f9b\u4e86sort_values()<\/code>\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5bf9\u6570\u636e\u6846\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<\/p>\n
import pandas as pd<\/p>\n
df = pd.DataFrame({<\/p>\n
    'name': ['banana', 'apple', 'cherry'],<\/p>\n
    'sweetness': [5, 3, 7]<\/p>\n
})<\/p>\n
sorted_df = df.sort_values(by='sweetness')<\/p>\n
print(sorted_df)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0csort_values()<\/code>\u65b9\u6cd5\u6839\u636esweetness<\/code>\u5217\u5bf9\u6570\u636e\u6846\u8fdb\u884c\u4e86\u6392\u5e8f\u3002<\/p>\n<\/p>\n
\n
\u901a\u8fc7\u672c\u6587\u7684\u8be6\u7ec6\u8bb2\u89e3\uff0c\u60a8\u5e94\u8be5\u5bf9Python\u4e2d\u5404\u79cd\u6392\u5e8f\u65b9\u6cd5\u6709\u4e86\u6df1\u5165\u7684\u4e86\u89e3\u3002\u65e0\u8bba\u662f\u7b80\u5355\u7684\u5217\u8868\u6392\u5e8f\uff0c\u8fd8\u662f\u590d\u6742\u7684\u81ea\u5b9a\u4e49\u5bf9\u8c61\u6392\u5e8f\uff0cPython\u90fd\u63d0\u4f9b\u4e86\u7075\u6d3b\u800c\u5f3a\u5927\u7684\u5de5\u5177\u6765\u6ee1\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u6392\u5e8f\u65b9\u6cd5\u5c06\u5927\u5927\u63d0\u9ad8\u4ee3\u7801\u7684\u6548\u7387\u548c\u53ef\u8bfb\u6027\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\u6216sorted()<\/code>\u51fd\u6570\u6765\u5bf9\u5217\u8868\u8fdb\u884c\u6392\u5e8f\u3002sort()<\/code>\u65b9\u6cd5\u4f1a\u76f4\u63a5\u4fee\u6539\u539f\u59cb\u5217\u8868\uff0c\u800csorted()<\/code>\u51fd\u6570\u5219\u4f1a\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u6392\u5e8f\u5217\u8868\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a  <\/p>\n
# \u4f7f\u7528sort()\u65b9\u6cd5\nmy_list = [3, 1, 4, 1, 5]\nmy_list.sort()  # \u539f\u5730\u6392\u5e8f\nprint(my_list)  # \u8f93\u51fa: [1, 1, 3, 4, 5]\n\n# \u4f7f\u7528sorted()\u51fd\u6570\nmy_list = [3, 1, 4, 1, 5]\nsorted_list = sorted(my_list)  # \u521b\u5efa\u4e00\u4e2a\u65b0\u5217\u8868\nprint(sorted_list)  # \u8f93\u51fa: [1, 1, 3, 4, 5]\n<\/code><\/pre>\n
\u53ef\u4ee5\u5bf9\u5b57\u5178\u8fdb\u884c\u6392\u5e8f\u5417\uff1f<\/strong>
Python\u4e2d\u7684\u5b57\u5178\u53ef\u4ee5\u901a\u8fc7\u5176\u952e\u6216\u503c\u8fdb\u884c\u6392\u5e8f\u3002\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u53ef\u4ee5\u4f7f\u7528sorted()<\/code>\u51fd\u6570\uff0c\u7ed3\u5408items()<\/code>\u65b9\u6cd5\u6765\u83b7\u53d6\u5b57\u5178\u7684\u952e\u503c\u5bf9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a  <\/p>\n
my_dict = {'apple': 3, 'banana': 1, 'cherry': 2}\n# \u6309\u952e\u6392\u5e8f\nsorted_by_key = dict(sorted(my_dict.items()))\nprint(sorted_by_key)  # \u8f93\u51fa: {'apple': 3, 'banana': 1, 'cherry': 2}\n\n# \u6309\u503c\u6392\u5e8f\nsorted_by_value = dict(sorted(my_dict.items(), key=lambda item: item[1]))\nprint(sorted_by_value)  # \u8f93\u51fa: {'banana': 1, 'cherry': 2, 'apple': 3}\n<\/code><\/pre>\n
\u5982\u4f55\u5bf9\u81ea\u5b9a\u4e49\u5bf9\u8c61\u8fdb\u884c\u6392\u5e8f\uff1f<\/strong>
\u5bf9\u4e8e\u81ea\u5b9a\u4e49\u5bf9\u8c61\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49\u4e00\u4e2a\u6392\u5e8f\u952e\u6765\u5b9e\u73b0\u6392\u5e8f\u3002\u8fd9\u901a\u5e38\u901a\u8fc7\u5b9e\u73b0__lt__<\/code>\u65b9\u6cd5\u6765\u5b8c\u6210\uff0c\u6216\u8005\u5728\u4f7f\u7528sorted()<\/code>\u51fd\u6570\u65f6\uff0c\u63d0\u4f9b\u4e00\u4e2a\u5173\u952e\u5b57\u53c2\u6570key<\/code>\u6765\u6307\u5b9a\u6392\u5e8f\u7684\u4f9d\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a  <\/p>\n
class Person:\n    def __init__(self, name, age):\n        self.name = name\n        self.age = age\n\n    def __repr__(self):\n        return f'{self.name}: {self.age}'\n\n# \u521b\u5efa\u5bf9\u8c61\u5217\u8868\npeople = [Person('Alice', 30), Person('Bob', 25), Person('Charlie', 35)]\n\n# \u6309\u5e74\u9f84\u6392\u5e8f\nsorted_people = sorted(people, key=lambda person: person.age)\nprint(sorted_people)  # \u8f93\u51fa: [Bob: 25, Alice: 30, Charlie: 35]\n<\/code><\/pre>\n
\u8fd9\u4e9b\u65b9\u6cd5\u4f7f\u5f97\u5728Python\u4e2d\u8fdb\u884c\u6392\u5e8f\u53d8\u5f97\u7b80\u5355\u4e14\u7075\u6d3b\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u6570\u636e\u7c7b\u578b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u6392\u5e8f\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u4e3b\u8981\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u7684sorted()\u51fd\u6570\u3001\u5217\u8868\u5bf9\u8c61\u7684sort()\u65b9\u6cd5\u3001\u4ee5\u53ca\u5176\u4ed6 […]","protected":false},"author":3,"featured_media":929173,"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\/929167"}],"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=929167"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/929167\/revisions"}],"predecessor-version":[{"id":929175,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/929167\/revisions\/929175"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/929173"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=929167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=929167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=929167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}