{"id":1098518,"date":"2025-01-08T15:21:54","date_gmt":"2025-01-08T07:21:54","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1098518.html"},"modified":"2025-01-08T15:21:57","modified_gmt":"2025-01-08T07:21:57","slug":"python%e5%a6%82%e4%bd%95%e5%88%9b%e5%bb%ba%e4%b8%80%e4%b8%aa%e7%a9%ba%e5%ad%97%e5%85%b8-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1098518.html","title":{"rendered":"python\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u7a7a\u5b57\u5178"},"content":{"rendered":"

\"python\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u7a7a\u5b57\u5178\"<\/p>\n

\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u7a7a\u5b57\u5178\uff0c\u53ef\u4ee5\u4f7f\u7528\u82b1\u62ec\u53f7 {}<\/code> \u6216\u8005\u5185\u7f6e\u51fd\u6570 dict()<\/code><\/strong>\u3002\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u662f\u975e\u5e38\u5e38\u7528\u4e14\u7b80\u5355\u7684\u3002\u4e0b\u9762\u6211\u4eec\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e24\u79cd\u65b9\u6cd5\u5e76\u63a2\u8ba8\u5b83\u4eec\u7684\u4f7f\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528\u82b1\u62ec\u53f7 {}<\/code><\/h3>\n<\/p>\n

\u8fd9\u662f\u521b\u5efa\u7a7a\u5b57\u5178\u6700\u5e38\u89c1\u548c\u6700\u7b80\u6d01\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u4e00\u5bf9\u82b1\u62ec\u53f7\uff0c\u5c31\u53ef\u4ee5\u8f7b\u677e\u521b\u5efa\u4e00\u4e2a\u7a7a\u5b57\u5178\uff1a<\/p>\n<\/p>\n

empty_dict = {}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u8bed\u6cd5\u7b80\u6d01\u4e14\u6613\u8bfb\uff0c\u975e\u5e38\u9002\u5408\u5728\u4ee3\u7801\u4e2d\u9891\u7e41\u4f7f\u7528\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528 dict()<\/code> \u51fd\u6570<\/h3>\n<\/p>\n
\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u4f7f\u7528 Python \u5185\u7f6e\u7684 dict()<\/code> \u51fd\u6570\u6765\u521b\u5efa\u4e00\u4e2a\u7a7a\u5b57\u5178\uff1a<\/p>\n<\/p>\n
empty_dict = dict()<\/p>\n
<\/code><\/pre>\n<\/p>\n
dict()<\/code> \u51fd\u6570\u4e0d\u4ec5\u53ef\u4ee5\u521b\u5efa\u7a7a\u5b57\u5178\uff0c\u8fd8\u53ef\u4ee5\u63a5\u53d7\u952e\u503c\u5bf9\u7684\u53c2\u6570\u6765\u521b\u5efa\u9884\u586b\u5145\u7684\u5b57\u5178\u3002\u8fd9\u79cd\u65b9\u6cd5\u5728\u9700\u8981\u52a8\u6001\u521b\u5efa\u5b57\u5178\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u573a\u666f\u5bf9\u6bd4<\/h3>\n<\/p>\n
\u867d\u7136\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u53ef\u4ee5\u521b\u5efa\u7a7a\u5b57\u5178\uff0c\u4f46\u5728\u67d0\u4e9b\u573a\u666f\u4e0b\uff0c\u5b83\u4eec\u7684\u4f7f\u7528\u4f1a\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<\/p>\n
    \n
  1. \u4ee3\u7801\u7b80\u6d01\u6027<\/strong>\uff1a\u5982\u679c\u53ea\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u7a7a\u5b57\u5178\uff0c\u4f7f\u7528 {}<\/code> \u4f1a\u66f4\u7b80\u6d01\u76f4\u89c2\u3002<\/li>\n
  2. \u52a8\u6001\u521b\u5efa<\/strong>\uff1a\u5982\u679c\u9700\u8981\u6839\u636e\u67d0\u4e9b\u6761\u4ef6\u52a8\u6001\u521b\u5efa\u5b57\u5178\uff0cdict()<\/code> \u51fd\u6570\u53ef\u80fd\u66f4\u4e3a\u5408\u9002\u3002<\/li>\n<\/ol>\n
    \u4e09\u3001\u7a7a\u5b57\u5178\u7684\u5e38\u89c1\u64cd\u4f5c<\/h3>\n<\/p>\n
    \u521b\u5efa\u7a7a\u5b57\u5178\u540e\uff0c\u901a\u5e38\u4f1a\u8fdb\u884c\u4e00\u4e9b\u5e38\u89c1\u7684\u64cd\u4f5c\uff0c\u6bd4\u5982\u6dfb\u52a0\u5143\u7d20\u3001\u66f4\u65b0\u5143\u7d20\u3001\u5220\u9664\u5143\u7d20\u7b49\u3002\u4e0b\u9762\u6211\u4eec\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u89c1\u64cd\u4f5c\u53ca\u5176\u7528\u6cd5\u3002<\/p>\n<\/p>\n
    \u6dfb\u52a0\u5143\u7d20<\/h4>\n<\/p>\n
    \u5411\u5b57\u5178\u4e2d\u6dfb\u52a0\u5143\u7d20\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u4f7f\u7528\u952e\u548c\u503c\u8fdb\u884c\u8d4b\u503c\u5373\u53ef\uff1a<\/p>\n<\/p>\n
    empty_dict['key1'] = 'value1'<\/p>\n
    print(empty_dict)  # \u8f93\u51fa: {'key1': 'value1'}<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u66f4\u65b0\u5143\u7d20<\/h4>\n<\/p>\n
    \u66f4\u65b0\u5b57\u5178\u4e2d\u7684\u5143\u7d20\u53ef\u4ee5\u4f7f\u7528\u4e0e\u6dfb\u52a0\u5143\u7d20\u76f8\u540c\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
    empty_dict['key1'] = 'new_value1'<\/p>\n
    print(empty_dict)  # \u8f93\u51fa: {'key1': 'new_value1'}<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5220\u9664\u5143\u7d20<\/h4>\n<\/p>\n
    \u5220\u9664\u5b57\u5178\u4e2d\u7684\u5143\u7d20\u53ef\u4ee5\u4f7f\u7528 del<\/code> \u5173\u952e\u5b57\u6216\u8005 pop()<\/code> \u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
    # \u4f7f\u7528 del \u5173\u952e\u5b57<\/p>\n
    del empty_dict['key1']<\/p>\n
    print(empty_dict)  # \u8f93\u51fa: {}<\/p>\n
    \u4f7f\u7528 pop() \u65b9\u6cd5<\/strong><\/h2>\n
    empty_dict['key1'] = 'value1'<\/p>\n
    empty_dict.pop('key1')<\/p>\n
    print(empty_dict)  # \u8f93\u51fa: {}<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u904d\u5386\u5b57\u5178<\/h4>\n<\/p>\n
    \u904d\u5386\u5b57\u5178\u7684\u952e\u3001\u503c\u6216\u952e\u503c\u5bf9\uff0c\u53ef\u4ee5\u4f7f\u7528 keys()<\/code>\u3001values()<\/code> \u548c items()<\/code> \u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
    empty_dict['key1'] = 'value1'<\/p>\n
    empty_dict['key2'] = 'value2'<\/p>\n
    \u904d\u5386\u952e<\/strong><\/h2>\n
    for key in empty_dict.keys():<\/p>\n
        print(key)<\/p>\n
    \u904d\u5386\u503c<\/strong><\/h2>\n
    for value in empty_dict.values():<\/p>\n
        print(value)<\/p>\n
    \u904d\u5386\u952e\u503c\u5bf9<\/strong><\/h2>\n
    for key, value in empty_dict.items():<\/p>\n
        print(key, value)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u56db\u3001\u5b57\u5178\u7684\u9ad8\u7ea7\u7528\u6cd5<\/h3>\n<\/p>\n
    \u9664\u4e86\u57fa\u672c\u64cd\u4f5c\u5916\uff0c\u5b57\u5178\u8fd8\u6709\u4e00\u4e9b\u9ad8\u7ea7\u7528\u6cd5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6027\u80fd\u3002<\/p>\n<\/p>\n
    \u5b57\u5178\u63a8\u5bfc\u5f0f<\/h4>\n<\/p>\n
    \u5b57\u5178\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u521b\u5efa\u5b57\u5178\u7684\u65b9\u6cd5\uff0c\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u4ece\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u8f6c\u6362\u4e3a\u5b57\u5178\u7684\u573a\u666f\uff1a<\/p>\n<\/p>\n
    # \u521b\u5efa\u4e00\u4e2a\u4ece1\u52305\u7684\u5e73\u65b9\u503c\u5b57\u5178<\/p>\n
    squares = {x: x2 for x in range(1, 6)}<\/p>\n
    print(squares)  # \u8f93\u51fa: {1: 1, 2: 4, 3: 9, 4: 16, 5: 25}<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u9ed8\u8ba4\u5b57\u5178<\/h4>\n<\/p>\n
    \u4f7f\u7528 collections<\/code> \u6a21\u5757\u4e2d\u7684 defaultdict<\/code> \u7c7b\uff0c\u53ef\u4ee5\u4e3a\u5b57\u5178\u8bbe\u7f6e\u9ed8\u8ba4\u503c\uff0c\u907f\u514d\u5728\u8bbf\u95ee\u4e0d\u5b58\u5728\u7684\u952e\u65f6\u629b\u51fa\u9519\u8bef\uff1a<\/p>\n<\/p>\n
    from collections import defaultdict<\/p>\n
    default_dict = defaultdict(int)<\/p>\n
    default_dict['missing_key'] += 1<\/p>\n
    print(default_dict)  # \u8f93\u51fa: defaultdict(<class 'int'>, {'missing_key': 1})<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5408\u5e76\u5b57\u5178<\/h4>\n<\/p>\n
    \u5728 Python 3.5 \u53ca\u4ee5\u4e0a\u7248\u672c\uff0c\u53ef\u4ee5\u4f7f\u7528 <\/code> \u8fd0\u7b97\u7b26\u6765\u5408\u5e76\u5b57\u5178\uff1a<\/p>\n<\/p>\n
    dict1 = {'a': 1, 'b': 2}<\/p>\n
    dict2 = {'b': 3, 'c': 4}<\/p>\n
    merged_dict = {<strong>dict1, <\/strong>dict2}<\/p>\n
    print(merged_dict)  # \u8f93\u51fa: {'a': 1, 'b': 3, 'c': 4}<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u7b80\u6d01\uff0c\u800c\u4e14\u53ef\u4ee5\u4fdd\u7559\u5b57\u5178\u7684\u987a\u5e8f\uff08\u5728 Python 3.7 \u53ca\u4ee5\u4e0a\u7248\u672c\u4e2d\uff09\u3002<\/p>\n<\/p>\n
    \u4e94\u3001\u5b57\u5178\u7684\u5e38\u89c1\u9519\u8bef\u53ca\u5176\u89e3\u51b3\u65b9\u6cd5<\/h3>\n<\/p>\n
    \u5728\u4f7f\u7528\u5b57\u5178\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u9519\u8bef\uff0c\u4e86\u89e3\u8fd9\u4e9b\u9519\u8bef\u53ca\u5176\u89e3\u51b3\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u4f7f\u7528\u5b57\u5178\u3002<\/p>\n<\/p>\n
    KeyError<\/h4>\n<\/p>\n
    KeyError<\/code> \u662f\u8bbf\u95ee\u4e0d\u5b58\u5728\u7684\u952e\u65f6\u629b\u51fa\u7684\u9519\u8bef\u3002\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 get()<\/code> \u65b9\u6cd5\u6765\u907f\u514d\uff1a<\/p>\n<\/p>\n
    value = empty_dict.get('non_existent_key', 'default_value')<\/p>\n
    print(value)  # \u8f93\u51fa: 'default_value'<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5b57\u5178\u7684\u4e0d\u53ef\u53d8\u6027<\/h4>\n<\/p>\n
    \u5b57\u5178\u7684\u952e\u5fc5\u987b\u662f\u4e0d\u53ef\u53d8\u7c7b\u578b\uff08\u5982\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u3001\u5143\u7ec4\uff09\uff0c\u5982\u679c\u4f7f\u7528\u53ef\u53d8\u7c7b\u578b\uff08\u5982\u5217\u8868\u3001\u5b57\u5178\uff09\u4f5c\u4e3a\u952e\uff0c\u4f1a\u629b\u51fa TypeError<\/code>\uff1a<\/p>\n<\/p>\n
    try:<\/p>\n
        invalid_dict = {[1, 2, 3]: 'value'}<\/p>\n
    except TypeError as e:<\/p>\n
        print(e)  # \u8f93\u51fa: unhashable type: 'list'<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u516d\u3001\u5b57\u5178\u7684\u5e94\u7528\u573a\u666f<\/h3>\n<\/p>\n
    \u5b57\u5178\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u573a\u666f\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1a<\/p>\n<\/p>\n
    \u914d\u7f6e\u7ba1\u7406<\/h4>\n<\/p>\n
    \u5b57\u5178\u53ef\u4ee5\u7528\u6765\u5b58\u50a8\u5e94\u7528\u7a0b\u5e8f\u7684\u914d\u7f6e\u9879\uff1a<\/p>\n<\/p>\n
    config = {<\/p>\n
        'host': 'localhost',<\/p>\n
        'port': 8080,<\/p>\n
        'debug': True<\/p>\n
    }<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u6570\u636e\u5206\u7ec4<\/h4>\n<\/p>\n
    \u5b57\u5178\u53ef\u4ee5\u7528\u6765\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u7ec4\u548c\u7edf\u8ba1\uff1a<\/p>\n<\/p>\n
    from collections import defaultdict<\/p>\n
    data = ['apple', 'banana', 'apple', 'orange', 'banana', 'apple']<\/p>\n
    counter = defaultdict(int)<\/p>\n
    for fruit in data:<\/p>\n
        counter[fruit] += 1<\/p>\n
    print(counter)  # \u8f93\u51fa: defaultdict(<class 'int'>, {'apple': 3, 'banana': 2, 'orange': 1})<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5feb\u901f\u67e5\u627e<\/h4>\n<\/p>\n
    \u5b57\u5178\u7684\u54c8\u5e0c\u8868\u7ed3\u6784\u4f7f\u5f97\u5b83\u5728\u67e5\u627e\u64cd\u4f5c\u4e0a\u975e\u5e38\u9ad8\u6548\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5feb\u901f\u67e5\u627e\u7684\u573a\u666f\uff1a<\/p>\n<\/p>\n
    phonebook = {<\/p>\n
        'Alice': '123-456-7890',<\/p>\n
        'Bob': '987-654-3210'<\/p>\n
    }<\/p>\n
    print(phonebook['Alice'])  # \u8f93\u51fa: 123-456-7890<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u4e03\u3001\u5b57\u5178\u7684\u6027\u80fd\u4f18\u5316<\/h3>\n<\/p>\n
    \u5728\u5927\u89c4\u6a21\u6570\u636e\u5904\u7406\u65f6\uff0c\u5b57\u5178\u7684\u6027\u80fd\u4f18\u5316\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u6027\u80fd\u4f18\u5316\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
    \u4f7f\u7528\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784<\/h4>\n<\/p>\n
    \u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784\uff0c\u4f8b\u5982\u5728\u9700\u8981\u6392\u5e8f\u7684\u573a\u666f\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528 collections.OrderedDict<\/code>\uff1a<\/p>\n<\/p>\n
    from collections import OrderedDict<\/p>\n
    ordered_dict = OrderedDict()<\/p>\n
    ordered_dict['a'] = 1<\/p>\n
    ordered_dict['b'] = 2<\/p>\n
    ordered_dict['c'] = 3<\/p>\n
    print(ordered_dict)  # \u8f93\u51fa: OrderedDict([('a', 1), ('b', 2), ('c', 3)])<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u91cd\u590d\u8ba1\u7b97<\/h4>\n<\/p>\n
    \u5728\u9700\u8981\u9891\u7e41\u8bbf\u95ee\u5b57\u5178\u7684\u573a\u666f\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u91cd\u590d\u8ba1\u7b97\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u6027\u80fd\uff1a<\/p>\n<\/p>\n
    # \u4f18\u5316\u524d<\/p>\n
    for key in large_dict:<\/p>\n
        if key in large_dict:<\/p>\n
            process(large_dict[key])<\/p>\n
    \u4f18\u5316\u540e<\/strong><\/h2>\n
    for key, value in large_dict.items():<\/p>\n
        process(value)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u516b\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
    \u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u5728 Python \u4e2d\u521b\u5efa\u7a7a\u5b57\u5178\u7684\u4e24\u79cd\u65b9\u6cd5\uff0c\u5206\u522b\u662f\u4f7f\u7528\u82b1\u62ec\u53f7 {}<\/code> \u548c dict()<\/code> \u51fd\u6570\u3002\u6211\u4eec\u8fd8\u63a2\u8ba8\u4e86\u5b57\u5178\u7684\u5e38\u89c1\u64cd\u4f5c\u3001\u9ad8\u7ea7\u7528\u6cd5\u3001\u5e38\u89c1\u9519\u8bef\u53ca\u5176\u89e3\u51b3\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5b57\u5178\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u7684\u5e94\u7528\u573a\u666f\u548c\u6027\u80fd\u4f18\u5316\u6280\u5de7\u3002\u5e0c\u671b\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u8bfb\u8005\u80fd\u591f\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528 Python \u5b57\u5178\uff0c\u4ece\u800c\u7f16\u5199\u51fa\u66f4\u9ad8\u6548\u3001\u66f4\u4f18\u96c5\u7684\u4ee3\u7801\u3002<\/p>\n<\/p>\n
    Python \u5b57\u5178\u4f5c\u4e3a\u4e00\u79cd\u5f3a\u5927\u800c\u7075\u6d3b\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5728\u65e5\u5e38\u7f16\u7a0b\u4e2d\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u638c\u63e1\u5b57\u5178\u7684\u4f7f\u7528\u6280\u5de7\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6027\u80fd\uff0c\u8fd8\u80fd\u5e2e\u52a9\u6211\u4eec\u66f4\u9ad8\u6548\u5730\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u7a7a\u5b57\u5178\uff1f<\/strong>
    \u5728Python\u4e2d\uff0c\u521b\u5efa\u4e00\u4e2a\u7a7a\u5b57\u5178\u975e\u5e38\u7b80\u5355\u3002\u53ef\u4ee5\u4f7f\u7528\u82b1\u62ec\u53f7 {}<\/code> \u6765\u5b9a\u4e49\u4e00\u4e2a\u7a7a\u5b57\u5178\uff0c\u6216\u8005\u4f7f\u7528 dict()<\/code> \u51fd\u6570\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
    empty_dict1 = {}  # \u4f7f\u7528\u82b1\u62ec\u53f7\u521b\u5efa\u7a7a\u5b57\u5178\nempty_dict2 = dict()  # \u4f7f\u7528dict()\u51fd\u6570\u521b\u5efa\u7a7a\u5b57\u5178\n<\/code><\/pre>\n
    \u8fd9\u4e24\u79cd\u65b9\u5f0f\u90fd\u53ef\u4ee5\u6709\u6548\u521b\u5efa\u4e00\u4e2a\u7a7a\u5b57\u5178\uff0c\u60a8\u53ef\u4ee5\u6839\u636e\u4e2a\u4eba\u504f\u597d\u9009\u62e9\u5176\u4e2d\u4e00\u79cd\u3002<\/p>\n
    \u7a7a\u5b57\u5178\u7684\u5e94\u7528\u573a\u666f\u6709\u54ea\u4e9b\uff1f<\/strong>
    \u7a7a\u5b57\u5178\u5728\u591a\u79cd\u573a\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u7528\u5b83\u6765\u521d\u59cb\u5316\u4e00\u4e2a\u6570\u636e\u5b58\u50a8\u7ed3\u6784\uff0c\u968f\u540e\u6839\u636e\u9700\u8981\u9010\u6b65\u6dfb\u52a0\u6570\u636e\u3002\u5728\u5904\u7406\u6570\u636e\u65f6\uff0c\u7a7a\u5b57\u5178\u4e5f\u5e38\u5e38\u7528\u4e8e\u6536\u96c6\u7edf\u8ba1\u7ed3\u679c\uff0c\u5982\u9891\u7387\u8ba1\u6570\u6216\u6570\u636e\u6c47\u603b\u3002<\/p>\n
    \u5982\u4f55\u5411\u7a7a\u5b57\u5178\u4e2d\u6dfb\u52a0\u952e\u503c\u5bf9\uff1f<\/strong>
    \u5411\u7a7a\u5b57\u5178\u4e2d\u6dfb\u52a0\u952e\u503c\u5bf9\u4e5f\u662f\u975e\u5e38\u7b80\u5355\u7684\u3002\u60a8\u53ea\u9700\u6307\u5b9a\u952e\u5e76\u8d4b\u503c\u5373\u53ef\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
    my_dict = {}\nmy_dict['name'] = 'Alice'\nmy_dict['age'] = 30\n<\/code><\/pre>\n
    \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u60a8\u5411\u7a7a\u5b57\u5178 my_dict<\/code> \u6dfb\u52a0\u4e86\u4e24\u4e2a\u952e\u503c\u5bf9\uff0c\u5206\u522b\u662f name<\/code> \u548c age<\/code>\u3002\u6dfb\u52a0\u5b8c\u6210\u540e\uff0c\u5b57\u5178\u5c06\u5305\u542b\u8fd9\u4e9b\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u7a7a\u5b57\u5178\uff0c\u53ef\u4ee5\u4f7f\u7528\u82b1\u62ec\u53f7 {} \u6216\u8005\u5185\u7f6e\u51fd\u6570 dict()\u3002\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u662f\u975e\u5e38\u5e38\u7528\u4e14\u7b80\u5355 […]","protected":false},"author":3,"featured_media":1098527,"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\/1098518"}],"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=1098518"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1098518\/revisions"}],"predecessor-version":[{"id":1098530,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1098518\/revisions\/1098530"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1098527"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1098518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1098518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1098518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}