{"id":1125009,"date":"2025-01-08T19:47:14","date_gmt":"2025-01-08T11:47:14","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1125009.html"},"modified":"2025-01-08T19:47:19","modified_gmt":"2025-01-08T11:47:19","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e5%88%a0%e9%99%a4list%e4%b8%80%e4%b8%aa%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1125009.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u5220\u9664list\u4e00\u4e2a\u6570"},"content":{"rendered":"

\"python\u4e2d\u5982\u4f55\u5220\u9664list\u4e00\u4e2a\u6570\"<\/p>\n

\u5728Python\u4e2d\u5220\u9664\u5217\u8868\u4e2d\u7684\u4e00\u4e2a\u6570\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528remove()\u65b9\u6cd5\u3001\u4f7f\u7528del\u5173\u952e\u5b57\u3001\u4f7f\u7528pop()\u65b9\u6cd5\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u3002<\/strong>\u672c\u6587\u5c06\u8be6\u7ec6\u63a2\u8ba8\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u793a\u4f8b\u548c\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528remove()\u65b9\u6cd5<\/h3>\n<\/p>\n

remove()<\/code>\u65b9\u6cd5\u662f\u5220\u9664\u5217\u8868\u4e2d\u7279\u5b9a\u503c\u7684\u6700\u5e38\u7528\u65b9\u6cd5\u4e4b\u4e00\u3002\u5b83\u4f1a\u79fb\u9664\u5217\u8868\u4e2d\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u6307\u5b9a\u503c\u3002\u5982\u679c\u8be5\u503c\u5728\u5217\u8868\u4e2d\u4e0d\u5b58\u5728\uff0c\u5219\u4f1a\u5f15\u53d1ValueError\u3002<\/p>\n<\/p>\n

my_list = [1, 2, 3, 4, 3, 5]<\/p>\n
my_list.remove(3)<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 4, 3, 5]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be6\u7ec6\u63cf\u8ff0\uff1a<\/strong><\/p>\n<\/p>\n
\u4f7f\u7528remove()<\/code>\u65b9\u6cd5\u5220\u9664\u5217\u8868\u4e2d\u7684\u503c\u975e\u5e38\u76f4\u89c2\u3002\u8be5\u65b9\u6cd5\u4f1a\u641c\u7d22\u5217\u8868\uff0c\u627e\u5230\u7b2c\u4e00\u4e2a\u5339\u914d\u7684\u503c\u5e76\u5c06\u5176\u5220\u9664\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u8be5\u65b9\u6cd5\u53ea\u4f1a\u5220\u9664\u7b2c\u4e00\u4e2a\u5339\u914d\u7684\u503c\u3002\u5982\u679c\u5217\u8868\u4e2d\u6709\u591a\u4e2a\u76f8\u540c\u7684\u503c\uff0cremove()<\/code>\u65b9\u6cd5\u9700\u8981\u8c03\u7528\u591a\u6b21\u624d\u80fd\u5220\u9664\u6240\u6709\u5339\u914d\u7684\u503c\u3002<\/p>\n<\/p>\n
my_list = [1, 2, 3, 4, 3, 5]<\/p>\n
while 3 in my_list:<\/p>\n
    my_list.remove(3)<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 4, 5]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528del\u5173\u952e\u5b57<\/h3>\n<\/p>\n
del<\/code>\u5173\u952e\u5b57\u53ef\u4ee5\u7528\u4e8e\u5220\u9664\u5217\u8868\u4e2d\u7684\u7279\u5b9a\u7d22\u5f15\u4f4d\u7f6e\u7684\u5143\u7d20\u3002\u4e0eremove()<\/code>\u4e0d\u540c\uff0cdel<\/code>\u9700\u8981\u77e5\u9053\u8981\u5220\u9664\u5143\u7d20\u7684\u7d22\u5f15\u3002<\/p>\n<\/p>\n
my_list = [1, 2, 3, 4, 5]<\/p>\n
del my_list[2]<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 4, 5]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be6\u7ec6\u63cf\u8ff0\uff1a<\/strong><\/p>\n<\/p>\n
del<\/code>\u5173\u952e\u5b57\u4e0d\u4ec5\u80fd\u7528\u4e8e\u5217\u8868\uff0c\u8fd8\u80fd\u7528\u4e8e\u5220\u9664\u53d8\u91cf\u3001\u5207\u7247\u7b49\u3002\u4f7f\u7528del<\/code>\u65f6\u9700\u8981\u683c\u5916\u5c0f\u5fc3\uff0c\u56e0\u4e3a\u5220\u9664\u5217\u8868\u4e2d\u7684\u5143\u7d20\u540e\u4f1a\u6539\u53d8\u5217\u8868\u7684\u957f\u5ea6\uff0c\u53ef\u80fd\u5bfc\u81f4\u7d22\u5f15\u8d85\u51fa\u8303\u56f4\u3002<\/p>\n<\/p>\n
my_list = [1, 2, 3, 4, 5]<\/p>\n
del my_list[1:3]<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 4, 5]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528pop()\u65b9\u6cd5<\/h3>\n<\/p>\n
pop()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5220\u9664\u5e76\u8fd4\u56de\u5217\u8868\u4e2d\u6307\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20\u3002\u5982\u679c\u4e0d\u6307\u5b9a\u7d22\u5f15\uff0c\u5b83\u4f1a\u9ed8\u8ba4\u5220\u9664\u5e76\u8fd4\u56de\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\n
my_list = [1, 2, 3, 4, 5]<\/p>\n
removed_element = my_list.pop(2)<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 4, 5]<\/p>\n
print(removed_element)  # \u8f93\u51fa: 3<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be6\u7ec6\u63cf\u8ff0\uff1a<\/strong><\/p>\n<\/p>\n
pop()<\/code>\u65b9\u6cd5\u975e\u5e38\u9002\u5408\u9700\u8981\u5220\u9664\u5143\u7d20\u5e76\u540c\u65f6\u83b7\u53d6\u8be5\u5143\u7d20\u7684\u573a\u666f\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cpop()<\/code>\u5220\u9664\u5e76\u8fd4\u56de\u5217\u8868\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff0c\u8fd9\u4f7f\u5f97\u5b83\u5728\u5b9e\u73b0\u6808\uff08LIFO\u7ed3\u6784\uff09\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
stack = [1, 2, 3, 4, 5]<\/p>\n
last_element = stack.pop()<\/p>\n
print(stack)  # \u8f93\u51fa: [1, 2, 3, 4]<\/p>\n
print(last_element)  # \u8f93\u51fa: 5<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f<\/h3>\n<\/p>\n
\u5217\u8868\u63a8\u5bfc\u5f0f\u53ef\u4ee5\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u4e0d\u5305\u542b\u7279\u5b9a\u503c\u7684\u65b0\u5217\u8868\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4f1a\u4fee\u6539\u539f\u5217\u8868\uff0c\u800c\u662f\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
my_list = [1, 2, 3, 4, 3, 5]<\/p>\n
new_list = [x for x in my_list if x != 3]<\/p>\n
print(new_list)  # \u8f93\u51fa: [1, 2, 4, 5]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be6\u7ec6\u63cf\u8ff0\uff1a<\/strong><\/p>\n<\/p>\n
\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u975e\u5e38\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u8fc7\u6ee4\u5217\u8868\u4e2d\u7684\u5143\u7d20\uff0c\u8fd8\u53ef\u4ee5\u5bf9\u5176\u8fdb\u884c\u8f6c\u6362\u548c\u5904\u7406\u3002\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u53ef\u4ee5\u4e00\u6b21\u6027\u5220\u9664\u6240\u6709\u5339\u914d\u7684\u5143\u7d20\uff0c\u800c\u4e0d\u9700\u8981\u591a\u6b21\u8c03\u7528remove()<\/code>\u3002<\/p>\n<\/p>\n
my_list = [1, 2, 3, 4, 3, 5]<\/p>\n
new_list = [x*2 for x in my_list if x != 3]<\/p>\n
print(new_list)  # \u8f93\u51fa: [2, 4, 8, 10]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528filter()\u51fd\u6570<\/h3>\n<\/p>\n
filter()<\/code>\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u8fc7\u6ee4\u5217\u8868\u4e2d\u7684\u5143\u7d20\u3002\u7ed3\u5408lambda<\/code>\u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5220\u9664\u7279\u5b9a\u503c\u7684\u6548\u679c\u3002<\/p>\n<\/p>\n
my_list = [1, 2, 3, 4, 3, 5]<\/p>\n
new_list = list(filter(lambda x: x != 3, my_list))<\/p>\n
print(new_list)  # \u8f93\u51fa: [1, 2, 4, 5]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be6\u7ec6\u63cf\u8ff0\uff1a<\/strong><\/p>\n<\/p>\n
filter()<\/code>\u51fd\u6570\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u8fed\u4ee3\u5668\u5bf9\u8c61\uff0c\u9700\u8981\u4f7f\u7528list()<\/code>\u51fd\u6570\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u3002filter()<\/code>\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u4e8e\u5224\u65ad\u5143\u7d20\u662f\u5426\u4fdd\u7559\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u8981\u8fc7\u6ee4\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
my_list = [1, 2, 3, 4, 3, 5]<\/p>\n
new_list = list(filter(lambda x: x % 2 == 0, my_list))<\/p>\n
print(new_list)  # \u8f93\u51fa: [2, 4]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u4f7f\u7528numpy\u6570\u7ec4<\/h3>\n<\/p>\n
\u5bf9\u4e8e\u5927\u6570\u636e\u91cf\u7684\u5217\u8868\u64cd\u4f5c\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528numpy<\/code>\u6570\u7ec4\u3002numpy<\/code>\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6570\u7ec4\u64cd\u4f5c\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u5220\u9664\u7279\u5b9a\u503c\u7684\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
import numpy as np<\/p>\n
my_array = np.array([1, 2, 3, 4, 3, 5])<\/p>\n
new_array = my_array[my_array != 3]<\/p>\n
print(new_array)  # \u8f93\u51fa: [1 2 4 5]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be6\u7ec6\u63cf\u8ff0\uff1a<\/strong><\/p>\n<\/p>\n
numpy<\/code>\u6570\u7ec4\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u64cd\u4f5c\u65b9\u6cd5\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u8fdb\u884c\u6570\u7ec4\u8ba1\u7b97\u548c\u64cd\u4f5c\u3002\u4f7f\u7528\u5e03\u5c14\u7d22\u5f15\u53ef\u4ee5\u975e\u5e38\u65b9\u4fbf\u5730\u5b9e\u73b0\u5220\u9664\u7279\u5b9a\u503c\u7684\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
import numpy as np<\/p>\n
my_array = np.array([1, 2, 3, 4, 3, 5])<\/p>\n
new_array = my_array[my_array % 2 == 0]<\/p>\n
print(new_array)  # \u8f93\u51fa: [2 4]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e03\u3001\u6700\u4f73\u5b9e\u8df5<\/h3>\n<\/p>\n
\u5728\u9009\u62e9\u5220\u9664\u5217\u8868\u4e2d\u4e00\u4e2a\u6570\u7684\u65b9\u6cd5\u65f6\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u573a\u666f\u548c\u9700\u6c42\u6765\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
    \n
  1. \u5982\u679c\u53ea\u9700\u8981\u5220\u9664\u7b2c\u4e00\u4e2a\u5339\u914d\u7684\u503c\uff0c\u4f7f\u7528remove()<\/code>\u65b9\u6cd5\u3002<\/strong><\/li>\n
  2. \u5982\u679c\u9700\u8981\u6839\u636e\u7d22\u5f15\u5220\u9664\u5143\u7d20\uff0c\u4f7f\u7528del<\/code>\u5173\u952e\u5b57\u6216pop()<\/code>\u65b9\u6cd5\u3002<\/strong><\/li>\n
  3. \u5982\u679c\u9700\u8981\u5220\u9664\u5e76\u83b7\u53d6\u5143\u7d20\uff0c\u4f7f\u7528pop()<\/code>\u65b9\u6cd5\u3002<\/strong><\/li>\n
  4. \u5982\u679c\u9700\u8981\u5220\u9664\u6240\u6709\u5339\u914d\u7684\u503c\uff0c\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u6216filter()<\/code>\u51fd\u6570\u3002<\/strong><\/li>\n
  5. \u5982\u679c\u5904\u7406\u5927\u6570\u636e\u91cf\u7684\u5217\u8868\uff0c\u8003\u8651\u4f7f\u7528numpy<\/code>\u6570\u7ec4\u3002<\/strong><\/li>\n<\/ol>\n
    \u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u7075\u6d3b\u3001\u9ad8\u6548\u5730\u5220\u9664Python\u5217\u8868\u4e2d\u7684\u7279\u5b9a\u503c\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6027\u80fd\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5982\u4f55\u5728Python\u4e2d\u4ece\u5217\u8868\u4e2d\u5220\u9664\u7279\u5b9a\u5143\u7d20\uff1f<\/strong>
    \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u4ece\u5217\u8868\u4e2d\u5220\u9664\u7279\u5b9a\u5143\u7d20\u3002\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528remove()<\/code>\u51fd\u6570\uff0c\u5b83\u4f1a\u5220\u9664\u5217\u8868\u4e2d\u7b2c\u4e00\u4e2a\u5339\u914d\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff0cmy_list.remove(3)<\/code>\u5c06\u5220\u9664\u5217\u8868\u4e2d\u7b2c\u4e00\u4e2a\u503c\u4e3a3\u7684\u5143\u7d20\u3002\u5982\u679c\u8981\u5220\u9664\u6240\u6709\u5339\u914d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u6765\u521b\u5efa\u4e00\u4e2a\u65b0\u5217\u8868\uff0c\u53ea\u4fdd\u7559\u4e0d\u9700\u8981\u5220\u9664\u7684\u5143\u7d20\u3002<\/p>\n
    \u5982\u679c\u6211\u60f3\u6839\u636e\u7d22\u5f15\u5220\u9664\u5217\u8868\u4e2d\u7684\u5143\u7d20\uff0c\u8be5\u600e\u4e48\u505a\uff1f<\/strong>
    \u53ef\u4ee5\u4f7f\u7528del<\/code>\u8bed\u53e5\u6216pop()<\/code>\u65b9\u6cd5\u6839\u636e\u7d22\u5f15\u5220\u9664\u5143\u7d20\u3002\u4f7f\u7528del my_list[index]<\/code>\u53ef\u4ee5\u76f4\u63a5\u5220\u9664\u6307\u5b9a\u7d22\u5f15\u7684\u5143\u7d20\uff0c\u800cmy_list.pop(index)<\/code>\u4e0d\u4ec5\u4f1a\u5220\u9664\u6307\u5b9a\u7d22\u5f15\u7684\u5143\u7d20\uff0c\u8fd8\u4f1a\u8fd4\u56de\u8be5\u5143\u7d20\u7684\u503c\u3002\u5982\u679c\u4e0d\u4f20\u5165\u7d22\u5f15\uff0cpop()<\/code>\u5c06\u9ed8\u8ba4\u5220\u9664\u5e76\u8fd4\u56de\u5217\u8868\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n
    \u5728\u5220\u9664\u5143\u7d20\u65f6\u4f1a\u5f15\u53d1\u5f02\u5e38\u5417\uff1f<\/strong>
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