{"id":997716,"date":"2024-12-27T09:26:28","date_gmt":"2024-12-27T01:26:28","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/997716.html"},"modified":"2024-12-27T09:26:31","modified_gmt":"2024-12-27T01:26:31","slug":"python%e5%a6%82%e4%bd%95%e5%ae%9a%e4%b9%89%e7%b1%bb%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/997716.html","title":{"rendered":"python\u5982\u4f55\u5b9a\u4e49\u7c7b\u6570\u7ec4"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25073416\/ca0f897a-4fa9-4ff5-bada-cc1e50daa904.webp\" alt=\"python\u5982\u4f55\u5b9a\u4e49\u7c7b\u6570\u7ec4\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528NumPy\u5e93\u6765\u5b9a\u4e49\u7c7b\u6570\u7ec4\u3001\u4e5f\u53ef\u4ee5\u4f7f\u7528Python\u5185\u7f6e\u7684\u5217\u8868(list)\u4f5c\u4e3a\u7c7b\u6570\u7ec4\u7684\u57fa\u7840\u3002NumPy\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u591a\u7ef4\u6570\u7ec4\u5bf9\u8c61ndarray\uff0c\u5b83\u80fd\u591f\u9ad8\u6548\u5730\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u3001\u6267\u884c\u5404\u79cd\u6570\u5b66\u548c\u903b\u8f91\u64cd\u4f5c\uff0c\u5e76\u652f\u6301\u591a\u79cd\u9ad8\u7ea7\u529f\u80fd\uff0c\u5982\u5e7f\u64ad\u3001\u7ebf\u6027\u4ee3\u6570\u3001\u5085\u91cc\u53f6\u53d8\u6362\u7b49\u3002Python\u7684\u5217\u8868\u5219\u63d0\u4f9b\u4e86\u7b80\u5355\u7684\u52a8\u6001\u6570\u7ec4\u529f\u80fd\uff0c\u9002\u5408\u5904\u7406\u8f83\u5c0f\u89c4\u6a21\u7684\u6570\u636e\u3002<\/strong><\/p>\n<\/p>\n<p><p>\u4e00\u3001NUMPY\u5e93<\/p>\n<\/p>\n<p><p>NumPy\u5e93\u662fPython\u8fdb\u884c\u79d1\u5b66\u8ba1\u7b97\u7684\u57fa\u7840\u5e93\u4e4b\u4e00\uff0c\u5176\u6838\u5fc3\u662f\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5f3a\u5927\u7684\u591a\u7ef4\u6570\u7ec4\u5bf9\u8c61ndarray\u3002ndarray\u652f\u6301\u5927\u91cf\u7684\u6570\u7ec4\u64cd\u4f5c\u548c\u6570\u5b66\u51fd\u6570\uff0c\u4f7f\u5f97\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u96c6\u53d8\u5f97\u7b80\u5355\u9ad8\u6548\u3002\u4ee5\u4e0b\u662f\u5173\u4e8eNumPy\u5e93\u7684\u4e00\u4e9b\u5173\u952e\u70b9\uff1a<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>NumPy\u7684\u5b89\u88c5\u4e0e\u5bfc\u5165<\/strong><\/p>\n<\/p>\n<p><p>\u8981\u4f7f\u7528NumPy\u5e93\uff0c\u9996\u5148\u9700\u8981\u5b89\u88c5\u5b83\u3002\u53ef\u4ee5\u901a\u8fc7pip\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install numpy<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u5728Python\u811a\u672c\u4e2d\u5bfc\u5165NumPy\u5e93\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import numpy as np<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f7f\u7528<code>np<\/code>\u4f5c\u4e3aNumPy\u7684\u522b\u540d\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u7ea6\u5b9a\uff0c\u8fd9\u6837\u53ef\u4ee5\u7b80\u5316\u4ee3\u7801\u4e66\u5199\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u521b\u5efaNumPy\u6570\u7ec4<\/strong><\/p>\n<\/p>\n<p><p>\u521b\u5efaNumPy\u6570\u7ec4\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u53ef\u4ee5\u4ece\u5217\u8868\u3001\u5143\u7ec4\u7b49\u7ed3\u6784\u521b\u5efa\u6570\u7ec4\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528NumPy\u63d0\u4f9b\u7684\u51fd\u6570\u751f\u6210\u6570\u7ec4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n<ul>\n<li>\n<p>\u4ece\u5217\u8868\u6216\u5143\u7ec4\u521b\u5efa\u6570\u7ec4\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">array_from_list = np.array([1, 2, 3, 4, 5])<\/p>\n<p>array_from_tuple = np.array((6, 7, 8, 9, 10))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u521b\u5efa\u6570\u7ec4\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">zeros_array = np.zeros((3, 3))  # \u521b\u5efa3x3\u5168\u96f6\u6570\u7ec4<\/p>\n<p>ones_array = np.ones((2, 2))    # \u521b\u5efa2x2\u5168\u4e00\u6570\u7ec4<\/p>\n<p>arange_array = np.arange(0, 10, 2)  # \u521b\u5efa0\u523010\u4e4b\u95f4\u6b65\u957f\u4e3a2\u7684\u6570\u7ec4<\/p>\n<p>linspace_array = np.linspace(0, 1, 5)  # \u521b\u5efa0\u52301\u4e4b\u95f4\u76845\u4e2a\u5747\u5300\u95f4\u9694\u7684\u6570<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u6570\u7ec4\u7684\u57fa\u672c\u64cd\u4f5c<\/strong><\/p>\n<\/p>\n<p><p>NumPy\u6570\u7ec4\u652f\u6301\u5404\u79cd\u57fa\u672c\u64cd\u4f5c\uff0c\u5982\u6570\u7ec4\u7684\u5f62\u72b6\u64cd\u4f5c\u3001\u7d22\u5f15\u3001\u5207\u7247\u3001\u5e03\u5c14\u7d22\u5f15\u3001\u6570\u7ec4\u8fd0\u7b97\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n<ul>\n<li>\n<p>\u67e5\u770b\u6570\u7ec4\u7684\u7ef4\u6570\u3001\u5f62\u72b6\u548c\u6570\u636e\u7c7b\u578b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">print(array_from_list.ndim)    # \u8f93\u51fa\u6570\u7ec4\u7684\u7ef4\u6570<\/p>\n<p>print(array_from_list.shape)   # \u8f93\u51fa\u6570\u7ec4\u7684\u5f62\u72b6<\/p>\n<p>print(array_from_list.dtype)   # \u8f93\u51fa\u6570\u7ec4\u7684\u6570\u636e\u7c7b\u578b<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p>\u6570\u7ec4\u7684\u7d22\u5f15\u548c\u5207\u7247\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">print(array_from_list[0])      # \u8bbf\u95ee\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20<\/p>\n<p>print(array_from_list[1:4])    # \u8bbf\u95ee\u6570\u7ec4\u7684\u7b2c\u4e8c\u5230\u7b2c\u56db\u4e2a\u5143\u7d20<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p>\u6570\u7ec4\u8fd0\u7b97\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">array1 = np.array([1, 2, 3])<\/p>\n<p>array2 = np.array([4, 5, 6])<\/p>\n<p>sum_array = array1 + array2   # \u6570\u7ec4\u52a0\u6cd5<\/p>\n<p>product_array = array1 * array2  # \u6570\u7ec4\u4e58\u6cd5<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u6570\u7ec4\u7684\u9ad8\u7ea7\u529f\u80fd<\/strong><\/p>\n<\/p>\n<p><p>NumPy\u8fd8\u63d0\u4f9b\u4e86\u4e00\u4e9b\u9ad8\u7ea7\u529f\u80fd\uff0c\u5982\u5e7f\u64ad\u3001\u7ebf\u6027\u4ee3\u6570\u3001\u5085\u91cc\u53f6\u53d8\u6362\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<ul>\n<li>\n<p>\u5e7f\u64ad\uff1a<\/p>\n<\/p>\n<p><p>\u5e7f\u64ad\u662f\u6307NumPy\u5728\u6267\u884c\u8fd0\u7b97\u65f6\uff0c\u81ea\u52a8\u5c06\u8f83\u5c0f\u7684\u6570\u7ec4\u201c\u6269\u5c55\u201d\u5230\u4e0e\u8f83\u5927\u7684\u6570\u7ec4\u76f8\u540c\u7684\u5f62\u72b6\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">array1 = np.array([1, 2, 3])<\/p>\n<p>array2 = np.array([[4], [5], [6]])<\/p>\n<p>broadcast_sum = array1 + array2  # \u81ea\u52a8\u5e7f\u64ad<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p>\u7ebf\u6027\u4ee3\u6570\uff1a<\/p>\n<\/p>\n<p><p>NumPy\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u7ebf\u6027\u4ee3\u6570\u529f\u80fd\uff0c\u5982\u77e9\u9635\u4e58\u6cd5\u3001\u6c42\u9006\u3001\u7279\u5f81\u503c\u7b49\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">matrix = np.array([[1, 2], [3, 4]])<\/p>\n<p>inverse_matrix = np.linalg.inv(matrix)  # \u6c42\u77e9\u9635\u7684\u9006<\/p>\n<p>eigenvalues, eigenvectors = np.linalg.eig(matrix)  # \u6c42\u77e9\u9635\u7684\u7279\u5f81\u503c\u548c\u7279\u5f81\u5411\u91cf<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p>\u5085\u91cc\u53f6\u53d8\u6362\uff1a<\/p>\n<\/p>\n<p><p>NumPy\u7684fft\u6a21\u5757\u63d0\u4f9b\u4e86\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362\u529f\u80fd\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">signal = np.array([1, 2, 3, 4])<\/p>\n<p>fft_result = np.fft.fft(signal)  # \u5bf9\u4fe1\u53f7\u8fdb\u884c\u5085\u91cc\u53f6\u53d8\u6362<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><p>NumPy\u5e93\u7684\u529f\u80fd\u8fdc\u4e0d\u6b62\u8fd9\u4e9b\uff0c\u5b83\u662f\u6570\u636e\u79d1\u5b66\u3001<a href=\"https:\/\/docs.pingcode.com\/ask\/59192.html\" target=\"_blank\">\u673a\u5668\u5b66\u4e60<\/a>\u3001\u5de5\u7a0b\u8ba1\u7b97\u7b49\u9886\u57df\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002\u901a\u8fc7\u4f7f\u7528NumPy\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u6570\u636e\u5904\u7406\u7684\u6548\u7387\u548c\u4ee3\u7801\u7684\u7b80\u6d01\u6027\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001PYTHON\u5185\u7f6e\u5217\u8868<\/p>\n<\/p>\n<p><p>\u867d\u7136Python\u7684\u5217\u8868\u6ca1\u6709NumPy\u7684\u529f\u80fd\u5f3a\u5927\uff0c\u4f46\u5b83\u662fPython\u5185\u7f6e\u7684\u6570\u636e\u7ed3\u6784\uff0c\u4f7f\u7528\u8d77\u6765\u975e\u5e38\u7075\u6d3b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5173\u4e8ePython\u5217\u8868\u7684\u5173\u952e\u70b9\uff1a<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u5217\u8868\u7684\u521b\u5efa\u4e0e\u57fa\u672c\u64cd\u4f5c<\/strong><\/p>\n<\/p>\n<p><p>Python\u5217\u8868\u662f\u52a8\u6001\u6570\u7ec4\uff0c\u53ef\u4ee5\u5305\u542b\u4efb\u610f\u7c7b\u578b\u7684\u5143\u7d20\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n<ul>\n<li>\n<p>\u521b\u5efa\u5217\u8868\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_list = [1, 2, 3, 4, 5]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p>\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_list.append(6)     # \u5728\u5217\u8868\u672b\u5c3e\u6dfb\u52a0\u5143\u7d20<\/p>\n<p>my_list.remove(3)     # \u5220\u9664\u5217\u8868\u4e2d\u7b2c\u4e00\u4e2a\u5339\u914d\u7684\u5143\u7d20<\/p>\n<p>popped_element = my_list.pop()  # \u79fb\u9664\u5e76\u8fd4\u56de\u5217\u8868\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p>\u5217\u8868\u7684\u7d22\u5f15\u548c\u5207\u7247\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">first_element = my_list[0]     # \u8bbf\u95ee\u5217\u8868\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20<\/p>\n<p>sub_list = my_list[1:3]        # \u8bbf\u95ee\u5217\u8868\u7684\u7b2c\u4e8c\u5230\u7b2c\u4e09\u4e2a\u5143\u7d20<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u5217\u8868\u7684\u9ad8\u7ea7\u64cd\u4f5c<\/strong><\/p>\n<\/p>\n<p><p>Python\u5217\u8868\u652f\u6301\u8bb8\u591a\u9ad8\u7ea7\u64cd\u4f5c\uff0c\u5982\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u5d4c\u5957\u5217\u8868\u3001\u6392\u5e8f\u7b49\u3002<\/p>\n<\/p>\n<ul>\n<li>\n<p>\u5217\u8868\u63a8\u5bfc\u5f0f\uff1a<\/p>\n<\/p>\n<p><p>\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u521b\u5efa\u5217\u8868\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">squared_list = [x2 for x in range(10)]  # \u751f\u62100\u52309\u7684\u5e73\u65b9\u6570\u5217\u8868<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p>\u5d4c\u5957\u5217\u8868\uff1a<\/p>\n<\/p>\n<p><p>\u5217\u8868\u53ef\u4ee5\u5305\u542b\u5176\u4ed6\u5217\u8868\uff0c\u5f62\u6210\u591a\u7ef4\u6570\u7ec4\u7684\u7ed3\u6784\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">nested_list = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p>\u5217\u8868\u6392\u5e8f\uff1a<\/p>\n<\/p>\n<p><p>\u5217\u8868\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684sort\u65b9\u6cd5\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">unsorted_list = [3, 1, 4, 2, 5]<\/p>\n<p>unsorted_list.sort()  # \u5c31\u5730\u6392\u5e8f<\/p>\n<p>sorted_list = sorted(unsorted_list, reverse=True)  # \u8fd4\u56de\u6392\u5e8f\u540e\u7684\u65b0\u5217\u8868\uff0c\u9006\u5e8f<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u5217\u8868\u7684\u9650\u5236\u4e0eNumPy\u7684\u4f18\u52bf<\/strong><\/p>\n<\/p>\n<p><p>\u867d\u7136Python\u5217\u8868\u975e\u5e38\u7075\u6d3b\uff0c\u4f46\u5b83\u6709\u4e00\u4e9b\u9650\u5236\uff0c\u6bd4\u5982\u901f\u5ea6\u8f83\u6162\u3001\u5360\u7528\u5185\u5b58\u5927\u3001\u7f3a\u4e4f\u9ad8\u7ea7\u6570\u5b66\u51fd\u6570\u7b49\u3002\u5728\u9700\u8981\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u6216\u6267\u884c\u590d\u6742\u6570\u5b66\u8fd0\u7b97\u65f6\uff0cNumPy\u662f\u66f4\u597d\u7684\u9009\u62e9\u3002<\/p>\n<\/p>\n<ul>\n<li>\n<p>\u901f\u5ea6\u548c\u5185\u5b58\uff1a<\/p>\n<\/p>\n<p><p>NumPy\u6570\u7ec4\u662f\u7528C\u8bed\u8a00\u5b9e\u73b0\u7684\uff0c\u5176\u5185\u5b58\u5e03\u5c40\u662f\u8fde\u7eed\u7684\uff0c\u8bbf\u95ee\u901f\u5ea6\u6bd4Python\u5217\u8868\u5feb\u5f97\u591a\u3002\u6b64\u5916\uff0cNumPy\u6570\u7ec4\u7684\u5185\u5b58\u5360\u7528\u4e5f\u6bd4Python\u5217\u8868\u5c0f\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p>\u6570\u5b66\u51fd\u6570\uff1a<\/p>\n<\/p>\n<p><p>NumPy\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u5b66\u51fd\u6570\uff0c\u53ef\u4ee5\u76f4\u63a5\u5bf9\u6570\u7ec4\u8fdb\u884c\u64cd\u4f5c\uff0c\u800c\u4e0d\u9700\u8981\u7f16\u5199\u5faa\u73af\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import numpy as np<\/p>\n<p>array = np.array([1, 2, 3, 4, 5])<\/p>\n<p>sqrt_array = np.sqrt(array)  # \u8ba1\u7b97\u6570\u7ec4\u6bcf\u4e2a\u5143\u7d20\u7684\u5e73\u65b9\u6839<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p>\u591a\u7ef4\u6570\u7ec4\uff1a<\/p>\n<\/p>\n<p><p>NumPy\u6570\u7ec4\u53ef\u4ee5\u662f\u591a\u7ef4\u7684\uff0c\u652f\u6301\u591a\u7ef4\u6570\u7ec4\u7684\u5207\u7247\u548c\u7d22\u5f15\uff0c\u800cPython\u5217\u8868\u9700\u8981\u5d4c\u5957\u5b9e\u73b0\u591a\u7ef4\u6570\u7ec4\uff0c\u64cd\u4f5c\u590d\u6742\u3002<\/p>\n<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><p>\u603b\u7ed3\u6765\u8bf4\uff0cPython\u7684\u5217\u8868\u9002\u5408\u5904\u7406\u8f83\u5c0f\u89c4\u6a21\u7684\u6570\u636e\u548c\u7b80\u5355\u7684\u64cd\u4f5c\uff0c\u800cNumPy\u5e93\u662f\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u548c\u590d\u6742\u6570\u5b66\u8fd0\u7b97\u7684\u9996\u9009\u5de5\u5177\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u548c\u7a0b\u5e8f\u6027\u80fd\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u81ea\u5b9a\u4e49\u7c7b\u7684\u6570\u7ec4\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u6765\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u81ea\u5b9a\u4e49\u7c7b\u5bf9\u8c61\u7684\u6570\u7ec4\u3002\u9996\u5148\uff0c\u5b9a\u4e49\u4e00\u4e2a\u7c7b\uff0c\u7136\u540e\u521b\u5efa\u8be5\u7c7b\u7684\u5b9e\u4f8b\uff0c\u5e76\u5c06\u8fd9\u4e9b\u5b9e\u4f8b\u5b58\u50a8\u5728\u4e00\u4e2a\u5217\u8868\u4e2d\u3002\u4f8b\u5982\uff1a  <\/p>\n<pre><code class=\"language-python\">class MyClass:\n    def __init__(self, value):\n        self.value = value\n\n# \u521b\u5efa\u7c7b\u7684\u5b9e\u4f8b\nobj1 = MyClass(1)\nobj2 = MyClass(2)\n\n# \u5c06\u5b9e\u4f8b\u5b58\u50a8\u5728\u5217\u8868\u4e2d\nclass_array = [obj1, obj2]\n<\/code><\/pre>\n<p>\u8fd9\u6837\uff0c<code>class_array<\/code> \u5c31\u662f\u4e00\u4e2a\u5305\u542b <code>MyClass<\/code> \u5bf9\u8c61\u7684\u6570\u7ec4\u3002<\/p>\n<p><strong>\u5982\u4f55\u8bbf\u95ee\u548c\u64cd\u4f5cPython\u7c7b\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1f<\/strong><br \/>\u8bbf\u95eePython\u7c7b\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u4e0e\u8bbf\u95ee\u666e\u901a\u5217\u8868\u76f8\u540c\u3002\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u6765\u83b7\u53d6\u7279\u5b9a\u5bf9\u8c61\uff0c\u5e76\u8c03\u7528\u5176\u65b9\u6cd5\u6216\u5c5e\u6027\u3002\u4f8b\u5982\uff1a  <\/p>\n<pre><code class=\"language-python\"># \u8bbf\u95ee\u7b2c\u4e00\u4e2a\u5bf9\u8c61\u7684\u5c5e\u6027\nprint(class_array[0].value)  # \u8f93\u51fa: 1\n\n# \u8c03\u7528\u5bf9\u8c61\u7684\u65b9\u6cd5\nfor obj in class_array:\n    print(obj.value * 2)  # \u8f93\u51fa: 2 4\n<\/code><\/pre>\n<p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u8f7b\u677e\u64cd\u4f5c\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5bf9\u8c61\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\uff0c\u5982\u4f55\u5c06\u7c7b\u6570\u7ec4\u4e0e\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u7ed3\u5408\u4f7f\u7528\uff1f<\/strong><br \/>Python\u7684\u7075\u6d3b\u6027\u5141\u8bb8\u5c06\u7c7b\u6570\u7ec4\u4e0e\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u7ed3\u5408\u4f7f\u7528\u3002\u53ef\u4ee5\u5c06\u7c7b\u6570\u7ec4\u5d4c\u5957\u5728\u5b57\u5178\u3001\u5143\u7ec4\u6216\u5176\u4ed6\u5217\u8868\u4e2d\uff0c\u4ee5\u6784\u5efa\u66f4\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u3002\u4f8b\u5982\uff1a  <\/p>\n<pre><code class=\"language-python\">class MyClass:\n    def __init__(self, value):\n        self.value = value\n\n# \u521b\u5efa\u7c7b\u5b9e\u4f8b\nobj1 = MyClass(1)\nobj2 = MyClass(2)\n\n# \u4f7f\u7528\u5b57\u5178\u5c06\u7c7b\u6570\u7ec4\u4e0e\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u7ed3\u5408\ncombined_data = {\n    &quot;class_array&quot;: [obj1, obj2],\n    &quot;description&quot;: &quot;\u8fd9\u662f\u4e00\u4e2a\u5305\u542bMyClass\u5b9e\u4f8b\u7684\u6570\u7ec4&quot;\n}\n\n# \u8bbf\u95ee\u5b57\u5178\u4e2d\u7684\u7c7b\u6570\u7ec4\nfor obj in combined_data[&quot;class_array&quot;]:\n    print(obj.value)  # \u8f93\u51fa: 1 2\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u4f7f\u5f97\u6570\u636e\u7684\u7ec4\u7ec7\u66f4\u4e3a\u7075\u6d3b\u548c\u9ad8\u6548\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528NumPy\u5e93\u6765\u5b9a\u4e49\u7c7b\u6570\u7ec4\u3001\u4e5f\u53ef\u4ee5\u4f7f\u7528Python\u5185\u7f6e\u7684\u5217\u8868(list)\u4f5c\u4e3a\u7c7b\u6570\u7ec4 [&hellip;]","protected":false},"author":3,"featured_media":997728,"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\/997716"}],"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=997716"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/997716\/revisions"}],"predecessor-version":[{"id":997731,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/997716\/revisions\/997731"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/997728"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=997716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=997716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=997716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}