{"id":1036657,"date":"2024-12-31T12:08:43","date_gmt":"2024-12-31T04:08:43","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1036657.html"},"modified":"2024-12-31T12:08:46","modified_gmt":"2024-12-31T04:08:46","slug":"python%e5%a6%82%e4%bd%95%e5%b0%86%e5%88%97%e8%a1%a8%e8%bd%ac%e5%8c%96%e4%b8%ba%e5%ad%97%e5%85%b8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1036657.html","title":{"rendered":"python\u5982\u4f55\u5c06\u5217\u8868\u8f6c\u5316\u4e3a\u5b57\u5178"},"content":{"rendered":"

\"python\u5982\u4f55\u5c06\u5217\u8868\u8f6c\u5316\u4e3a\u5b57\u5178\"<\/p>\n

Python\u5c06\u5217\u8868\u8f6c\u5316\u4e3a\u5b57\u5178\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\u3001\u4f7f\u7528zip\u51fd\u6570\u3001\u4ee5\u53ca\u901a\u8fc7\u5faa\u73af\u7b49\u65b9\u5f0f\u3002<\/strong> \u5176\u4e2d\uff0c\u4f7f\u7528zip\u51fd\u6570<\/strong>\u662f\u8f83\u4e3a\u5e38\u89c1\u4e14\u7b80\u6d01\u7684\u4e00\u79cd\u65b9\u6cd5\u3002\u901a\u8fc7\u5c06\u4e24\u4e2a\u5217\u8868\u5206\u522b\u4f5c\u4e3a\u952e\u548c\u503c\u8fdb\u884c\u914d\u5bf9\uff0c\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u5217\u8868\u5230\u5b57\u5178\u7684\u8f6c\u6362\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5b57\u5178\u63a8\u5bfc\u5f0f<\/h3>\n<\/p>\n

\u5b57\u5178\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u4e14\u9ad8\u6548\u7684\u65b9\u5f0f\u6765\u521b\u5efa\u5b57\u5178\u3002\u53ef\u4ee5\u901a\u8fc7\u5c06\u4e24\u4e2a\u5217\u8868\u5206\u522b\u4f5c\u4e3a\u952e\u548c\u503c\u6765\u521b\u5efa\u5b57\u5178\u3002<\/p>\n<\/p>\n

\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n

keys = ['name', 'age', 'gender']<\/p>\n
values = ['Alice', 25, 'Female']<\/p>\n
dictionary = {keys[i]: values[i] for i in range(len(keys))}<\/p>\n
print(dictionary)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u89e3\u91ca\uff1a<\/h4>\n<\/p>\n
\u4ee5\u4e0a\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\uff0c\u901a\u8fc7\u7d22\u5f15\u6765\u914d\u5bf9\u4e24\u4e2a\u5217\u8868\u7684\u5143\u7d20\uff0c\u5c06\u5176\u8f6c\u5316\u4e3a\u5b57\u5178\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528zip\u51fd\u6570<\/h3>\n<\/p>\n
\u4f7f\u7528zip\u51fd\u6570<\/strong>\u662f\u5c06\u4e24\u4e2a\u5217\u8868\u4e2d\u7684\u5143\u7d20\u4e00\u4e00\u914d\u5bf9\uff0c\u7136\u540e\u4f7f\u7528dict()\u51fd\u6570\u5c06\u5176\u8f6c\u5316\u4e3a\u5b57\u5178\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
keys = ['name', 'age', 'gender']<\/p>\n
values = ['Alice', 25, 'Female']<\/p>\n
dictionary = dict(zip(keys, values))<\/p>\n
print(dictionary)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u89e3\u91ca\uff1a<\/h4>\n<\/p>\n
zip\u51fd\u6570\u4f1a\u5c06\u4e24\u4e2a\u5217\u8868\u4e2d\u7684\u5143\u7d20\u914d\u5bf9\u6210\u5143\u7ec4\uff0c\u7136\u540e\u4f7f\u7528dict()\u51fd\u6570\u5c06\u8fd9\u4e9b\u5143\u7ec4\u8f6c\u5316\u4e3a\u5b57\u5178\u3002\u8fd9\u4e2a\u65b9\u6cd5\u7b80\u6d01\u4e14\u6613\u4e8e\u7406\u89e3\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u5faa\u73af<\/h3>\n<\/p>\n
\u901a\u8fc7\u5faa\u73af\u624b\u52a8\u5c06\u5217\u8868\u4e2d\u7684\u5143\u7d20\u914d\u5bf9\u5e76\u6dfb\u52a0\u5230\u5b57\u5178\u4e2d\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
keys = ['name', 'age', 'gender']<\/p>\n
values = ['Alice', 25, 'Female']<\/p>\n
dictionary = {}<\/p>\n
for i in range(len(keys)):<\/p>\n
    dictionary[keys[i]] = values[i]<\/p>\n
print(dictionary)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u89e3\u91ca\uff1a<\/h4>\n<\/p>\n
\u901a\u8fc7for\u5faa\u73af\uff0c\u904d\u5386\u7d22\u5f15\u5e76\u5c06\u5bf9\u5e94\u7684\u952e\u548c\u503c\u6dfb\u52a0\u5230\u5b57\u5178\u4e2d\u3002\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u8f83\u4e3a\u76f4\u89c2\uff0c\u4f46\u76f8\u5bf9\u4e0d\u5982zip\u51fd\u6570\u548c\u5b57\u5178\u63a8\u5bfc\u5f0f\u7b80\u6d01\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528enumerate\u51fd\u6570<\/h3>\n<\/p>\n
enumerate\u51fd\u6570\u63d0\u4f9b\u7d22\u5f15\u548c\u503c\uff0c\u53ef\u4ee5\u5728\u4e00\u4e2a\u5217\u8868\u4e2d\u540c\u65f6\u83b7\u53d6\u7d22\u5f15\u548c\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
keys = ['name', 'age', 'gender']<\/p>\n
values = ['Alice', 25, 'Female']<\/p>\n
dictionary = {key: values[i] for i, key in enumerate(keys)}<\/p>\n
print(dictionary)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u89e3\u91ca\uff1a<\/h4>\n<\/p>\n
enumerate\u51fd\u6570\u8fd4\u56de\u7d22\u5f15\u548c\u503c\uff0c\u901a\u8fc7\u5b57\u5178\u63a8\u5bfc\u5f0f\u5c06\u5176\u8f6c\u5316\u4e3a\u5b57\u5178\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u5217\u8868\u4e2d\u7684\u5143\u7ec4\u8f6c\u6362\u4e3a\u5b57\u5178<\/h3>\n<\/p>\n
\u5982\u679c\u5217\u8868\u4e2d\u7684\u5143\u7d20\u672c\u8eab\u5c31\u662f\u952e\u503c\u5bf9\u7684\u5f62\u5f0f\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528dict()\u51fd\u6570\u5c06\u5176\u8f6c\u5316\u4e3a\u5b57\u5178\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
list_of_tuples = [('name', 'Alice'), ('age', 25), ('gender', 'Female')]<\/p>\n
dictionary = dict(list_of_tuples)<\/p>\n
print(dictionary)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u89e3\u91ca\uff1a<\/h4>\n<\/p>\n
\u76f4\u63a5\u5c06\u5305\u542b\u952e\u503c\u5bf9\u7684\u5217\u8868\u4f7f\u7528dict()\u51fd\u6570\u8f6c\u5316\u4e3a\u5b57\u5178\uff0c\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u7b80\u6d01\u3002<\/p>\n<\/p>\n
\u516d\u3001\u4f7f\u7528\u751f\u6210\u5668\u8868\u8fbe\u5f0f<\/h3>\n<\/p>\n
\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u7ed3\u5408\u5b57\u5178\u63a8\u5bfc\u5f0f\u6765\u5b9e\u73b0\u5217\u8868\u8f6c\u5b57\u5178\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
keys = ['name', 'age', 'gender']<\/p>\n
values = ['Alice', 25, 'Female']<\/p>\n
dictionary = {key: value for key, value in ((keys[i], values[i]) for i in range(len(keys)))}<\/p>\n
print(dictionary)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u89e3\u91ca\uff1a<\/h4>\n<\/p>\n
\u4f7f\u7528\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u521b\u5efa\u952e\u503c\u5bf9\uff0c\u518d\u901a\u8fc7\u5b57\u5178\u63a8\u5bfc\u5f0f\u8f6c\u5316\u4e3a\u5b57\u5178\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u5217\u8868\u5d4c\u5957\u5b57\u5178<\/h3>\n<\/p>\n
\u5982\u679c\u5217\u8868\u4e2d\u7684\u5143\u7d20\u662f\u5b57\u5178\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u6765\u5904\u7406\u5d4c\u5957\u5b57\u5178\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
list_of_dicts = [{'key': 'name', 'value': 'Alice'}, {'key': 'age', 'value': 25}, {'key': 'gender', 'value': 'Female'}]<\/p>\n
dictionary = {d['key']: d['value'] for d in list_of_dicts}<\/p>\n
print(dictionary)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u89e3\u91ca\uff1a<\/h4>\n<\/p>\n
\u901a\u8fc7\u5217\u8868\u63a8\u5bfc\u5f0f\u63d0\u53d6\u5b57\u5178\u4e2d\u7684\u952e\u548c\u503c\uff0c\u518d\u8f6c\u5316\u4e3a\u65b0\u7684\u5b57\u5178\u3002<\/p>\n<\/p>\n
\u516b\u3001\u5904\u7406\u4e0d\u7b49\u957f\u5217\u8868<\/h3>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u80fd\u9047\u5230\u4e0d\u7b49\u957f\u7684\u5217\u8868\uff0c\u8fd9\u65f6\u9700\u8981\u5904\u7406\u4e0d\u8db3\u90e8\u5206\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
keys = ['name', 'age']<\/p>\n
values = ['Alice', 25, 'Female']<\/p>\n
dictionary = dict(zip(keys, values))<\/p>\n
print(dictionary)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u89e3\u91ca\uff1a<\/h4>\n<\/p>\n
\u4f7f\u7528zip\u51fd\u6570\u4f1a\u81ea\u52a8\u5904\u7406\u4e0d\u7b49\u957f\u5217\u8868\uff0c\u53ea\u5339\u914d\u5230\u6700\u77ed\u5217\u8868\u7684\u957f\u5ea6\u3002<\/p>\n<\/p>\n
\u4e5d\u3001\u5c06\u5bf9\u8c61\u5c5e\u6027\u8f6c\u5316\u4e3a\u5b57\u5178<\/h3>\n<\/p>\n
\u6709\u65f6\u9700\u8981\u5c06\u5bf9\u8c61\u5c5e\u6027\u8f6c\u5316\u4e3a\u5b57\u5178\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684__dict__\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
class Person:<\/p>\n
    def __init__(self, name, age, gender):<\/p>\n
        self.name = name<\/p>\n
        self.age = age<\/p>\n
        self.gender = gender<\/p>\n
person = Person('Alice', 25, 'Female')<\/p>\n
dictionary = person.__dict__<\/p>\n
print(dictionary)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u89e3\u91ca\uff1a<\/h4>\n<\/p>\n
\u901a\u8fc7__dict__\u65b9\u6cd5\u5c06\u5bf9\u8c61\u7684\u5c5e\u6027\u8f6c\u5316\u4e3a\u5b57\u5178\uff0c\u4fbf\u4e8e\u540e\u7eed\u4f7f\u7528\u3002<\/p>\n<\/p>\n
\u5341\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u5c06\u5217\u8868\u8f6c\u5316\u4e3a\u5b57\u5178\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u7b80\u6d01\u6027\u548c\u53ef\u8bfb\u6027\u3002\u4f7f\u7528zip\u51fd\u6570<\/strong>\u548c\u5b57\u5178\u63a8\u5bfc\u5f0f<\/strong>\u662f\u6700\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u7b80\u6d01\u4e14\u9ad8\u6548\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u66f4\u597d\u5730\u5b9e\u73b0\u529f\u80fd\u3002\u901a\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5e0c\u671b\u80fd\u591f\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u638c\u63e1Python\u4e2d\u5c06\u5217\u8868\u8f6c\u5316\u4e3a\u5b57\u5178\u7684\u591a\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5c06\u4e00\u4e2a\u5305\u542b\u952e\u503c\u5bf9\u7684\u5217\u8868\u8f6c\u6362\u4e3a\u5b57\u5178\uff1f<\/strong>
\u53ef\u4ee5\u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\u5c06\u5305\u542b\u952e\u503c\u5bf9\u7684\u5217\u8868\u8f6c\u6362\u4e3a\u5b57\u5178\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u4f60\u6709\u4e00\u4e2a\u5217\u8868pAI<\/a>rs = [('a', 1), ('b', 2), ('c', 3)]<\/code>\uff0c\u53ef\u4ee5\u901a\u8fc7{key: value for key, value in pairs}<\/code>\u7684\u65b9\u5f0f\u751f\u6210\u5b57\u5178{'a': 1, 'b': 2, 'c': 3}<\/code>\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u6d01\u4e14\u6613\u4e8e\u7406\u89e3\u3002<\/p>\n
\u5728Python\u4e2d\uff0c\u5982\u4f55\u5904\u7406\u5305\u542b\u91cd\u590d\u952e\u7684\u5217\u8868\u8f6c\u5b57\u5178\uff1f<\/strong>
\u5f53\u5217\u8868\u4e2d\u5305\u542b\u91cd\u590d\u7684\u952e\u65f6\uff0c\u4f7f\u7528\u666e\u901a\u7684\u5b57\u5178\u63a8\u5bfc\u5f0f\u4f1a\u5bfc\u81f4\u6700\u540e\u4e00\u4e2a\u952e\u7684\u503c\u8986\u76d6\u4e4b\u524d\u7684\u503c\u3002\u4e3a\u4e86\u4fdd\u7559\u6240\u6709\u503c\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528collections.defaultdict<\/code>\u6216collections.Counter<\/code>\uff0c\u5b83\u4eec\u53ef\u4ee5\u5b58\u50a8\u91cd\u590d\u7684\u952e\u53ca\u5176\u5bf9\u5e94\u7684\u503c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528defaultdict(list)<\/code>\u53ef\u4ee5\u5c06\u76f8\u540c\u7684\u952e\u5bf9\u5e94\u7684\u503c\u5b58\u50a8\u5728\u5217\u8868\u4e2d\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u7075\u6d3b\u7684\u6570\u636e\u7ba1\u7406\u3002<\/p>\n
\u8f6c\u6362\u5927\u89c4\u6a21\u5217\u8868\u4e3a\u5b57\u5178\u65f6\uff0c\u6709\u4ec0\u4e48\u6027\u80fd\u4f18\u5316\u5efa\u8bae\u5417\uff1f<\/strong>
\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u65f6\uff0c\u5c3d\u91cf\u907f\u514d\u591a\u6b21\u904d\u5386\u5217\u8868\u3002\u53ef\u4ee5\u4f7f\u7528zip<\/code>\u51fd\u6570\u5c06\u4e24\u4e2a\u5217\u8868\uff08\u4e00\u4e2a\u4f5c\u4e3a\u952e\uff0c\u53e6\u4e00\u4e2a\u4f5c\u4e3a\u503c\uff09\u76f4\u63a5\u8f6c\u6362\u4e3a\u5b57\u5178\uff0c\u5982dict(zip(keys_list, values_list))<\/code>\u3002\u8fd9\u79cd\u65b9\u6cd5\u5728\u6027\u80fd\u4e0a\u901a\u5e38\u66f4\u4f18\uff0c\u56e0\u4e3a\u5b83\u53ea\u904d\u5386\u4e00\u6b21\u6bcf\u4e2a\u5217\u8868\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u6548\u7387\u3002\u786e\u4fdd\u5728\u64cd\u4f5c\u524d\u8bc4\u4f30\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u4ee5\u907f\u514d\u5185\u5b58\u6ea2\u51fa\u7b49\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u5c06\u5217\u8868\u8f6c\u5316\u4e3a\u5b57\u5178\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\u3001\u4f7f\u7528zip\u51fd\u6570\u3001\u4ee5\u53ca\u901a\u8fc7\u5faa\u73af\u7b49\u65b9\u5f0f\u3002 \u5176\u4e2d\uff0c\u4f7f\u7528 […]","protected":false},"author":3,"featured_media":1036664,"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\/1036657"}],"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=1036657"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1036657\/revisions"}],"predecessor-version":[{"id":1036666,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1036657\/revisions\/1036666"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1036664"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1036657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1036657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1036657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}