{"id":1163107,"date":"2025-01-15T14:51:26","date_gmt":"2025-01-15T06:51:26","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1163107.html"},"modified":"2025-01-15T14:51:28","modified_gmt":"2025-01-15T06:51:28","slug":"python%e5%a6%82%e4%bd%95%e5%88%a4%e6%96%ad%e6%95%b4%e6%95%b0%e6%98%af%e5%81%b6%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1163107.html","title":{"rendered":"python\u5982\u4f55\u5224\u65ad\u6574\u6570\u662f\u5076\u6570"},"content":{"rendered":"

\"python\u5982\u4f55\u5224\u65ad\u6574\u6570\u662f\u5076\u6570\"<\/p>\n

Python\u5224\u65ad\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570<\/strong>\uff0c\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5\u8be5\u6574\u6570\u9664\u4ee52\u7684\u4f59\u6570\u662f\u5426\u4e3a0\u6765\u5b9e\u73b0\u3002\u5177\u4f53\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n

def is_even(number):<\/p>\n
    return number % 2 == 0<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u53d6\u6a21\u8fd0\u7b97\u7b26 %<\/code>\uff0c\u5b83\u8fd4\u56de\u9664\u6cd5\u7684\u4f59\u6570\u3002\u5982\u679c\u4e00\u4e2a\u6570 number<\/code> \u88ab 2 \u6574\u9664\u540e\u7684\u4f59\u6570\u4e3a 0\uff0c\u90a3\u4e48\u8fd9\u4e2a\u6570\u5c31\u662f\u5076\u6570\u3002<\/p>\n<\/p>\n
\u4e00\u3001Python\u4e2d\u7684\u53d6\u6a21\u8fd0\u7b97\u7b26<\/h3>\n<\/p>\n
Python\u4e2d\u7684\u53d6\u6a21\u8fd0\u7b97\u7b26 %<\/code> \u662f\u5224\u65ad\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u7684\u5173\u952e\u5de5\u5177\u3002\u5b83\u8fd4\u56de\u9664\u6cd5\u7684\u4f59\u6570\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5b83\u6765\u68c0\u67e5\u4e00\u4e2a\u6570\u80fd\u5426\u88ab\u53e6\u4e00\u4e2a\u6570\u6574\u9664\u3002\u4f8b\u5982\uff0cnumber % 2<\/code> \u7684\u7ed3\u679c\u4e3a 0 \u8bf4\u660e number<\/code> \u662f\u5076\u6570\u3002<\/p>\n<\/p>\n
\u53d6\u6a21\u8fd0\u7b97\u7b26\u7684\u4f7f\u7528<\/h4>\n<\/p>\n
\u53d6\u6a21\u8fd0\u7b97\u7b26 %<\/code> \u7684\u4f7f\u7528\u975e\u5e38\u7b80\u5355\u3002\u4f60\u53ea\u9700\u8981\u5c06\u4e24\u4e2a\u64cd\u4f5c\u6570\u653e\u5728\u5b83\u7684\u5de6\u53f3\u4e24\u4fa7\u3002\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<\/p>\n
result = number % 2<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5982\u679c result<\/code> \u7684\u503c\u4e3a 0\uff0c\u5219 number<\/code> \u662f\u5076\u6570\u3002\u5426\u5219\uff0cnumber<\/code> \u662f\u5947\u6570\u3002<\/p>\n<\/p>\n
\u4e8c\u3001Python\u4e2d\u7684\u6761\u4ef6\u8bed\u53e5<\/h3>\n<\/p>\n
\u5728\u7406\u89e3\u5982\u4f55\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u4e4b\u540e\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528\u6761\u4ef6\u8bed\u53e5\u6765\u5b9e\u73b0\u8fd9\u4e00\u5224\u65ad\u3002Python\u4e2d\u7684\u6761\u4ef6\u8bed\u53e5\u5305\u62ecif<\/code>\u3001elif<\/code>\u548celse<\/code>\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ea\u9700\u8981\u4f7f\u7528if<\/code>\u8bed\u53e5\u5373\u53ef\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u6761\u4ef6\u8bed\u53e5\u5224\u65ad\u5076\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u5c06\u53d6\u6a21\u8fd0\u7b97\u7b26\u548c\u6761\u4ef6\u8bed\u53e5\u7ed3\u5408\u8d77\u6765\uff0c\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\u6765\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<\/p>\n
def is_even(number):<\/p>\n
    if number % 2 == 0:<\/p>\n
        return True<\/p>\n
    else:<\/p>\n
        return False<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u5217\u8868\u89e3\u6790\u5224\u65ad\u591a\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570<\/h3>\n<\/p>\n
\u5728\u5904\u7406\u591a\u4e2a\u6574\u6570\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u89e3\u6790\u6765\u7b80\u5316\u4ee3\u7801\u3002\u5217\u8868\u89e3\u6790\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u8bed\u6cd5\uff0c\u7528\u4e8e\u751f\u6210\u5217\u8868\u3002<\/p>\n<\/p>\n
\u5217\u8868\u89e3\u6790\u7684\u57fa\u672c\u8bed\u6cd5<\/h4>\n<\/p>\n
\u5217\u8868\u89e3\u6790\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
[new_element for element in iterable if condition]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8fd9\u79cd\u8bed\u6cd5\u6765\u751f\u6210\u4e00\u4e2a\u5305\u542b\u6240\u6709\u5076\u6570\u7684\u5217\u8868\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
numbers = [1, 2, 3, 4, 5, 6]<\/p>\n
even_numbers = [number for number in numbers if number % 2 == 0]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u904d\u5386\u4e86\u5217\u8868numbers<\/code>\uff0c\u5e76\u5c06\u6240\u6709\u5076\u6570\u6dfb\u52a0\u5230\u65b0\u7684\u5217\u8868even_numbers<\/code>\u4e2d\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528\u533f\u540d\u51fd\u6570\u548cfilter\u51fd\u6570\u5224\u65ad\u5076\u6570<\/h3>\n<\/p>\n
\u9664\u4e86\u4f7f\u7528\u6761\u4ef6\u8bed\u53e5\u548c\u5217\u8868\u89e3\u6790\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u533f\u540d\u51fd\u6570\uff08lambda\u51fd\u6570\uff09\u548cfilter<\/code>\u51fd\u6570\u6765\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<\/p>\n
\u4f7f\u7528lambda\u51fd\u6570\u548cfilter\u51fd\u6570<\/h4>\n<\/p>\n
lambda\u51fd\u6570\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u5b9a\u4e49\u51fd\u6570\u7684\u65b9\u6cd5\u3002filter<\/code>\u51fd\u6570\u7528\u4e8e\u8fc7\u6ee4\u5e8f\u5217\u4e2d\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n
numbers = [1, 2, 3, 4, 5, 6]<\/p>\n
even_numbers = list(filter(lambda x: x % 2 == 0, numbers))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2alambda\u51fd\u6570lambda x: x % 2 == 0<\/code>\uff0c\u5e76\u4f7f\u7528\u5b83\u4f5c\u4e3afilter<\/code>\u51fd\u6570\u7684\u53c2\u6570\u3002filter<\/code>\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u8fc7\u6ee4\u540e\u7684\u8fed\u4ee3\u5668\uff0c\u6211\u4eec\u4f7f\u7528list<\/code>\u51fd\u6570\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528numpy\u5e93\u5224\u65ad\u5076\u6570<\/h3>\n<\/p>\n
\u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\uff0c\u4f7f\u7528numpy<\/code>\u5e93\u53ef\u4ee5\u63d0\u9ad8\u6548\u7387\u3002numpy<\/code>\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u503c\u8ba1\u7b97\u5e93\uff0c\u5b83\u63d0\u4f9b\u4e86\u8bb8\u591a\u9ad8\u6548\u7684\u6570\u7ec4\u64cd\u4f5c\u51fd\u6570\u3002<\/p>\n<\/p>\n
\u5b89\u88c5\u548c\u5bfc\u5165numpy<\/h4>\n<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5numpy<\/code>\u5e93\u5e76\u5bfc\u5165\u5b83\uff1a<\/p>\n<\/p>\n
pip install numpy<\/p>\n
<\/code><\/pre>\n<\/p>\n
import numpy as np<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528numpy\u5224\u65ad\u5076\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528numpy<\/code>\u7684\u6570\u7ec4\u8fd0\u7b97\u6765\u5224\u65ad\u4e00\u7ec4\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
numbers = np.array([1, 2, 3, 4, 5, 6])<\/p>\n
even_numbers = numbers[numbers % 2 == 0]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2anumpy<\/code>\u6570\u7ec4numbers<\/code>\uff0c\u5e76\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u548c\u53d6\u6a21\u8fd0\u7b97\u7b26\u6765\u83b7\u53d6\u6240\u6709\u5076\u6570\u3002<\/p>\n<\/p>\n
\u516d\u3001\u4f7f\u7528map\u51fd\u6570\u5224\u65ad\u5076\u6570<\/h3>\n<\/p>\n
\u9664\u4e86filter<\/code>\u51fd\u6570\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528map<\/code>\u51fd\u6570\u6765\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002map<\/code>\u51fd\u6570\u7528\u4e8e\u5c06\u4e00\u4e2a\u51fd\u6570\u5e94\u7528\u5230\u5e8f\u5217\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u4e0a\u3002<\/p>\n<\/p>\n
\u4f7f\u7528map\u51fd\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u5c06\u53d6\u6a21\u8fd0\u7b97\u7b26\u548cmap<\/code>\u51fd\u6570\u7ed3\u5408\u8d77\u6765\uff0c\u5224\u65ad\u4e00\u7ec4\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
numbers = [1, 2, 3, 4, 5, 6]<\/p>\n
is_even_list = list(map(lambda x: x % 2 == 0, numbers))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2alambda\u51fd\u6570lambda x: x % 2 == 0<\/code>\uff0c\u5e76\u4f7f\u7528\u5b83\u4f5c\u4e3amap<\/code>\u51fd\u6570\u7684\u53c2\u6570\u3002map<\/code>\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u8fed\u4ee3\u5668\uff0c\u6211\u4eec\u4f7f\u7528list<\/code>\u51fd\u6570\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528\u81ea\u5b9a\u4e49\u7c7b\u5224\u65ad\u5076\u6570<\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u6765\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7c7b\uff0c\u5e76\u5728\u7c7b\u4e2d\u5b9e\u73b0\u5224\u65ad\u5076\u6570\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u5b9a\u4e49\u81ea\u5b9a\u4e49\u7c7b<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u540d\u4e3aNumber<\/code>\u7684\u7c7b\uff0c\u5e76\u5728\u7c7b\u4e2d\u5b9e\u73b0\u4e00\u4e2a\u65b9\u6cd5\u6765\u5224\u65ad\u662f\u5426\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
class Number:<\/p>\n
    def __init__(self, value):<\/p>\n
        self.value = value<\/p>\n
    def is_even(self):<\/p>\n
        return self.value % 2 == 0<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528\u81ea\u5b9a\u4e49\u7c7b<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u521b\u5efaNumber<\/code>\u7c7b\u7684\u5b9e\u4f8b\uff0c\u5e76\u8c03\u7528is_even<\/code>\u65b9\u6cd5\u6765\u5224\u65ad\u8be5\u5b9e\u4f8b\u662f\u5426\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
number = Number(4)<\/p>\n
print(number.is_even())  # \u8f93\u51fa: True<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u503c\u4e3a4\u7684Number<\/code>\u7c7b\u5b9e\u4f8b\uff0c\u5e76\u8c03\u7528is_even<\/code>\u65b9\u6cd5\u6765\u5224\u65ad\u5b83\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<\/p>\n
\u516b\u3001\u4f7f\u7528\u9012\u5f52\u5224\u65ad\u5076\u6570<\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u9012\u5f52\u6765\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u9012\u5f52\u662f\u4e00\u79cd\u5728\u51fd\u6570\u5185\u90e8\u8c03\u7528\u51fd\u6570\u81ea\u8eab\u7684\u7f16\u7a0b\u6280\u5de7\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u9012\u5f52\u5224\u65ad\u5076\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u9012\u5f52\u51fd\u6570\u6765\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def is_even(number):<\/p>\n
    if number == 0:<\/p>\n
        return True<\/p>\n
    elif number == 1:<\/p>\n
        return False<\/p>\n
    else:<\/p>\n
        return is_even(number - 2)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u9012\u5f52\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u68c0\u67e5number<\/code>\u662f\u5426\u7b49\u4e8e0\u62161\u3002\u5982\u679cnumber<\/code>\u7b49\u4e8e0\uff0c\u5219\u8fd4\u56deTrue\uff1b\u5982\u679cnumber<\/code>\u7b49\u4e8e1\uff0c\u5219\u8fd4\u56deFalse\u3002\u5426\u5219\uff0c\u6211\u4eec\u9012\u5f52\u8c03\u7528is_even<\/code>\u51fd\u6570\uff0c\u4f20\u5165number - 2<\/code>\u4f5c\u4e3a\u53c2\u6570\u3002<\/p>\n<\/p>\n
\u4e5d\u3001\u4f7f\u7528\u4f4d\u8fd0\u7b97\u5224\u65ad\u5076\u6570<\/h3>\n<\/p>\n
\u4f4d\u8fd0\u7b97\u662f\u4e00\u79cd\u5e95\u5c42\u7684\u3001\u9ad8\u6548\u7684\u64cd\u4f5c\u65b9\u5f0f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4f4d\u8fd0\u7b97\u6765\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u4f4d\u8fd0\u7b97\u5224\u65ad\u5076\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6309\u4f4d\u4e0e\u8fd0\u7b97\u7b26&<\/code>\u6765\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def is_even(number):<\/p>\n
    return (number & 1) == 0<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u6309\u4f4d\u4e0e\u8fd0\u7b97\u7b26&<\/code>\u5c06number<\/code>\u4e0e1\u8fdb\u884c\u6309\u4f4d\u4e0e\u64cd\u4f5c\u3002\u5982\u679c\u7ed3\u679c\u4e3a0\uff0c\u5219number<\/code>\u662f\u5076\u6570\uff1b\u5426\u5219\uff0cnumber<\/code>\u662f\u5947\u6570\u3002<\/p>\n<\/p>\n
\u5341\u3001\u4f7f\u7528\u6570\u5b66\u7406\u8bba\u5224\u65ad\u5076\u6570<\/h3>\n<\/p>\n
\u5728\u6570\u5b66\u4e2d\uff0c\u5076\u6570\u7684\u5b9a\u4e49\u662f\u80fd\u591f\u88ab2\u6574\u9664\u7684\u6574\u6570\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e00\u6570\u5b66\u7406\u8bba\u6765\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u6570\u5b66\u7406\u8bba\u5224\u65ad\u5076\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\uff0c\u4f7f\u7528\u6570\u5b66\u7406\u8bba\u6765\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def is_even(number):<\/p>\n
    return number \/ 2 == number \/\/ 2<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u9664\u6cd5\u8fd0\u7b97\u7b26\/<\/code>\u548c\u6574\u9664\u8fd0\u7b97\u7b26\/\/<\/code>\u6765\u6bd4\u8f83number<\/code>\u9664\u4ee52\u7684\u7ed3\u679c\u3002\u5982\u679c\u4e24\u8005\u76f8\u7b49\uff0c\u5219number<\/code>\u662f\u5076\u6570\uff1b\u5426\u5219\uff0cnumber<\/code>\u662f\u5947\u6570\u3002<\/p>\n<\/p>\n
\u5341\u4e00\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5224\u65ad\u5076\u6570<\/h3>\n<\/p>\n
\u867d\u7136\u6b63\u5219\u8868\u8fbe\u5f0f\u901a\u5e38\u7528\u4e8e\u5b57\u7b26\u4e32\u5339\u914d\uff0c\u4f46\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5224\u65ad\u5076\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\uff0c\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import re<\/p>\n
def is_even(number):<\/p>\n
    return bool(re.match(r'^\\d*[02468]$', str(number)))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u5c06number<\/code>\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u5e76\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f^\\d*[02468]$<\/code>\u6765\u5339\u914d\u5b83\u3002\u5982\u679c\u5339\u914d\u6210\u529f\uff0c\u5219number<\/code>\u662f\u5076\u6570\uff1b\u5426\u5219\uff0cnumber<\/code>\u662f\u5947\u6570\u3002<\/p>\n<\/p>\n
\u5341\u4e8c\u3001\u4f7f\u7528\u751f\u6210\u5668\u5224\u65ad\u5076\u6570<\/h3>\n<\/p>\n
\u751f\u6210\u5668\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u8fed\u4ee3\u5668\uff0c\u7528\u4e8e\u751f\u6210\u5e8f\u5217\u4e2d\u7684\u5143\u7d20\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u751f\u6210\u5668\u6765\u5224\u65ad\u4e00\u7ec4\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u751f\u6210\u5668\u5224\u65ad\u5076\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u7f16\u5199\u4e00\u4e2a\u751f\u6210\u5668\u51fd\u6570\uff0c\u5224\u65ad\u4e00\u7ec4\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def even_numbers(numbers):<\/p>\n
    for number in numbers:<\/p>\n
        if number % 2 == 0:<\/p>\n
            yield number<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u751f\u6210\u5668\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u904d\u5386\u8f93\u5165\u7684\u6574\u6570\u5217\u8868numbers<\/code>\uff0c\u5e76\u4f7f\u7528yield<\/code>\u8bed\u53e5\u8fd4\u56de\u6240\u6709\u5076\u6570\u3002<\/p>\n<\/p>\n
\u5341\u4e09\u3001\u4f7f\u7528\u96c6\u5408\u5224\u65ad\u5076\u6570<\/h3>\n<\/p>\n
\u96c6\u5408\u662f\u4e00\u79cd\u65e0\u5e8f\u7684\u3001\u4e0d\u53ef\u91cd\u590d\u7684\u6570\u636e\u7ed3\u6784\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u96c6\u5408\u6765\u5224\u65ad\u4e00\u7ec4\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u96c6\u5408\u5224\u65ad\u5076\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\uff0c\u4f7f\u7528\u96c6\u5408\u6765\u5224\u65ad\u4e00\u7ec4\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def even_numbers(numbers):<\/p>\n
    return {number for number in numbers if number % 2 == 0}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u96c6\u5408\u89e3\u6790\u904d\u5386\u8f93\u5165\u7684\u6574\u6570\u5217\u8868numbers<\/code>\uff0c\u5e76\u5c06\u6240\u6709\u5076\u6570\u6dfb\u52a0\u5230\u65b0\u7684\u96c6\u5408\u4e2d\u3002<\/p>\n<\/p>\n
\u5341\u56db\u3001\u4f7f\u7528\u5b57\u5178\u5224\u65ad\u5076\u6570<\/h3>\n<\/p>\n
\u5b57\u5178\u662f\u4e00\u79cd\u952e\u503c\u5bf9\u7684\u6570\u636e\u7ed3\u6784\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b57\u5178\u6765\u5224\u65ad\u4e00\u7ec4\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u5b57\u5178\u5224\u65ad\u5076\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\uff0c\u4f7f\u7528\u5b57\u5178\u6765\u5224\u65ad\u4e00\u7ec4\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def even_numbers(numbers):<\/p>\n
    return {number: True for number in numbers if number % 2 == 0}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u5b57\u5178\u89e3\u6790\u904d\u5386\u8f93\u5165\u7684\u6574\u6570\u5217\u8868numbers<\/code>\uff0c\u5e76\u5c06\u6240\u6709\u5076\u6570\u4f5c\u4e3a\u952e\uff0cTrue<\/code>\u4f5c\u4e3a\u503c\uff0c\u6dfb\u52a0\u5230\u65b0\u7684\u5b57\u5178\u4e2d\u3002<\/p>\n<\/p>\n
\u5341\u4e94\u3001\u4f7f\u7528\u94fe\u8868\u5224\u65ad\u5076\u6570<\/h3>\n<\/p>\n
\u94fe\u8868\u662f\u4e00\u79cd\u7ebf\u6027\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u5305\u542b\u4e00\u4e2a\u6307\u5411\u4e0b\u4e00\u4e2a\u5143\u7d20\u7684\u5f15\u7528\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u94fe\u8868\u6765\u5224\u65ad\u4e00\u7ec4\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u94fe\u8868\u5224\u65ad\u5076\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u94fe\u8868\u8282\u70b9\u7c7b\uff0c\u5e76\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\u6765\u5224\u65ad\u94fe\u8868\u4e2d\u7684\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
class ListNode:<\/p>\n
    def __init__(self, value=0, next=None):<\/p>\n
        self.value = value<\/p>\n
        self.next = next<\/p>\n
def even_numbers(head):<\/p>\n
    current = head<\/p>\n
    while current:<\/p>\n
        if current.value % 2 == 0:<\/p>\n
            yield current.value<\/p>\n
        current = current.next<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u94fe\u8868\u8282\u70b9\u7c7bListNode<\/code>\uff0c\u5e76\u7f16\u5199\u4e86\u4e00\u4e2a\u751f\u6210\u5668\u51fd\u6570even_numbers<\/code>\uff0c\u904d\u5386\u94fe\u8868\u4e2d\u7684\u6240\u6709\u8282\u70b9\uff0c\u8fd4\u56de\u6240\u6709\u5076\u6570\u3002<\/p>\n<\/p>\n
\u5341\u516d\u3001\u4f7f\u7528\u6808\u5224\u65ad\u5076\u6570<\/h3>\n<\/p>\n
\u6808\u662f\u4e00\u79cd\u540e\u8fdb\u5148\u51fa\uff08LIFO\uff09\u7684\u6570\u636e\u7ed3\u6784\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6808\u6765\u5224\u65ad\u4e00\u7ec4\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u6808\u5224\u65ad\u5076\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\uff0c\u4f7f\u7528\u6808\u6765\u5224\u65ad\u4e00\u7ec4\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def even_numbers(numbers):<\/p>\n
    stack = []<\/p>\n
    for number in numbers:<\/p>\n
        if number % 2 == 0:<\/p>\n
            stack.append(number)<\/p>\n
    return stack<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u904d\u5386\u8f93\u5165\u7684\u6574\u6570\u5217\u8868numbers<\/code>\uff0c\u5e76\u5c06\u6240\u6709\u5076\u6570\u6dfb\u52a0\u5230\u6808\u4e2d\u3002<\/p>\n<\/p>\n
\u5341\u4e03\u3001\u4f7f\u7528\u961f\u5217\u5224\u65ad\u5076\u6570<\/h3>\n<\/p>\n
\u961f\u5217\u662f\u4e00\u79cd\u5148\u8fdb\u5148\u51fa\uff08FIFO\uff09\u7684\u6570\u636e\u7ed3\u6784\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u961f\u5217\u6765\u5224\u65ad\u4e00\u7ec4\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u961f\u5217\u5224\u65ad\u5076\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\uff0c\u4f7f\u7528\u961f\u5217\u6765\u5224\u65ad\u4e00\u7ec4\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
from collections import deque<\/p>\n
def even_numbers(numbers):<\/p>\n
    queue = deque()<\/p>\n
    for number in numbers:<\/p>\n
        if number % 2 == 0:<\/p>\n
            queue.append(number)<\/p>\n
    return queue<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528collections<\/code>\u6a21\u5757\u4e2d\u7684deque<\/code>\u7c7b\u521b\u5efa\u4e00\u4e2a\u961f\u5217\uff0c\u5e76\u904d\u5386\u8f93\u5165\u7684\u6574\u6570\u5217\u8868numbers<\/code>\uff0c\u5c06\u6240\u6709\u5076\u6570\u6dfb\u52a0\u5230\u961f\u5217\u4e2d\u3002<\/p>\n<\/p>\n
\u5341\u516b\u3001\u4f7f\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\u5224\u65ad\u5076\u6570<\/h3>\n<\/p>\n
\u51fd\u6570\u5f0f\u7f16\u7a0b\u662f\u4e00\u79cd\u7f16\u7a0b\u8303\u5f0f\uff0c\u5176\u4e2d\u51fd\u6570\u662f\u57fa\u672c\u7684\u6784\u5efa\u5757\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\u6765\u5224\u65ad\u4e00\u7ec4\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\u5224\u65ad\u5076\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\uff0c\u4f7f\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\u6765\u5224\u65ad\u4e00\u7ec4\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def is_even(number):<\/p>\n
    return number % 2 == 0<\/p>\n
def even_numbers(numbers):<\/p>\n
    return list(filter(is_even, numbers))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570is_even<\/code>\uff0c\u5e76\u4f7f\u7528filter<\/code>\u51fd\u6570\u8fc7\u6ee4\u8f93\u5165\u7684\u6574\u6570\u5217\u8868numbers<\/code>\uff0c\u8fd4\u56de\u6240\u6709\u5076\u6570\u3002<\/p>\n<\/p>\n
\u5341\u4e5d\u3001\u4f7f\u7528\u8fed\u4ee3\u5668\u5224\u65ad\u5076\u6570<\/h3>\n<\/p>\n
\u8fed\u4ee3\u5668\u662f\u4e00\u79cd\u7528\u4e8e\u904d\u5386\u6570\u636e\u7ed3\u6784\u7684\u5bf9\u8c61\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8fed\u4ee3\u5668\u6765\u5224\u65ad\u4e00\u7ec4\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u8fed\u4ee3\u5668\u5224\u65ad\u5076\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\uff0c\u4f7f\u7528\u8fed\u4ee3\u5668\u6765\u5224\u65ad\u4e00\u7ec4\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def even_numbers(numbers):<\/p>\n
    return iter([number for number in numbers if number % 2 == 0])<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u5217\u8868\u89e3\u6790\u904d\u5386\u8f93\u5165\u7684\u6574\u6570\u5217\u8868numbers<\/code>\uff0c\u5e76\u5c06\u6240\u6709\u5076\u6570\u6dfb\u52a0\u5230\u65b0\u7684\u5217\u8868\u4e2d\uff0c\u7136\u540e\u8fd4\u56de\u8be5\u5217\u8868\u7684\u8fed\u4ee3\u5668\u3002<\/p>\n<\/p>\n
\u4e8c\u5341\u3001\u4f7f\u7528\u88c5\u9970\u5668\u5224\u65ad\u5076\u6570<\/h3>\n<\/p>\n
\u88c5\u9970\u5668\u662f\u4e00\u79cd\u7528\u4e8e\u4fee\u6539\u51fd\u6570\u884c\u4e3a\u7684\u51fd\u6570\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u88c5\u9970\u5668\u6765\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<\/p>\n
\u4f7f\u7528\u88c5\u9970\u5668\u5224\u65ad\u5076\u6570<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u7f16\u5199\u4e00\u4e2a\u88c5\u9970\u5668\u51fd\u6570\uff0c\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def even_decorator(func):<\/p>\n
    def wrapper(number):<\/p>\n
        result = func(number)<\/p>\n
        return result % 2 == 0<\/p>\n
    return wrapper<\/p>\n
@even_decorator<\/p>\n
def get_number(number):<\/p>\n
    return number<\/p>\n
print(get_number(4))  # \u8f93\u51fa: True<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u88c5\u9970\u5668\u51fd\u6570even_decorator<\/code>\uff0c\u5e76\u4f7f\u7528\u5b83\u88c5\u9970\u51fd\u6570get_number<\/code>\u3002\u5f53\u8c03\u7528get_number<\/code>\u51fd\u6570\u65f6\uff0c\u88c5\u9970\u5668\u51fd\u6570\u4f1a\u68c0\u67e5\u8fd4\u56de\u503c\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<\/p>\n
\u603b\u7ed3\u6765\u770b\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5224\u65ad\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u65e0\u8bba\u662f\u4f7f\u7528\u7b80\u5355\u7684\u53d6\u6a21\u8fd0\u7b97\u7b26\u548c\u6761\u4ef6\u8bed\u53e5\uff0c\u8fd8\u662f\u4f7f\u7528\u9ad8\u7ea7\u7684\u6570\u636e\u7ed3\u6784\u548c\u7f16\u7a0b\u8303\u5f0f\uff0c\u90fd\u80fd\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u3002\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\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\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u53d6\u6a21\u8fd0\u7b97\u7b26\uff08%\uff09\u6765\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u5177\u4f53\u65b9\u6cd5\u662f\u5c06\u6574\u6570\u4e0e2\u8fdb\u884c\u53d6\u6a21\u8fd0\u7b97\uff0c\u5982\u679c\u7ed3\u679c\u4e3a0\uff0c\u5219\u8be5\u6574\u6570\u4e3a\u5076\u6570\u3002\u4f8b\u5982\uff0cif number % 2 == 0:<\/code> \u53ef\u4ee5\u7528\u6765\u68c0\u67e5\u53d8\u91cfnumber<\/code>\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n
\u6709\u54ea\u4e9b\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u5224\u65ad\u6574\u6570\u662f\u5076\u6570\uff1f<\/strong>
\u9664\u4e86\u4f7f\u7528\u53d6\u6a21\u8fd0\u7b97\u7b26\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u4f4d\u8fd0\u7b97\u6765\u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5076\u6570\u7684\u4e8c\u8fdb\u5236\u8868\u793a\u7684\u6700\u4f4e\u4f4d\u603b\u662f0\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u901a\u8fc7if number & 1 == 0:<\/code> \u6765\u5224\u65ad\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\uff0c\u8fd9\u79cd\u65b9\u5f0f\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u4f1a\u66f4\u9ad8\u6548\u3002<\/p>\n
\u5728Python\u4e2d\u5224\u65ad\u5076\u6570\u65f6\u53ef\u80fd\u4f1a\u9047\u5230\u54ea\u4e9b\u5e38\u89c1\u9519\u8bef\uff1f<\/strong>
\u7528\u6237\u5728\u5224\u65ad\u5076\u6570\u65f6\u53ef\u80fd\u4f1a\u9047\u5230\u7c7b\u578b\u9519\u8bef\uff0c\u4f8b\u5982\u5c1d\u8bd5\u5bf9\u975e\u6574\u6570\u7c7b\u578b\u8fdb\u884c\u53d6\u6a21\u8fd0\u7b97\u3002\u786e\u4fdd\u8f93\u5165\u7684\u53d8\u91cf\u662f\u6574\u6570\u7c7b\u578b\uff0c\u4f7f\u7528isinstance(number, int)<\/code>\u6765\u68c0\u67e5\u53d8\u91cf\u7c7b\u578b\u3002\u6b64\u5916\uff0c\u6ce8\u610f\u5728\u4f7f\u7528\u8d1f\u6570\u548c\u96f6\u65f6\u7684\u903b\u8f91\uff0c\u8d1f\u5076\u6570\u540c\u6837\u662f\u5076\u6570\uff0c\u96f6\u4e5f\u662f\u5076\u6570\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u5904\u7406\u7528\u6237\u8f93\u5165\u5e76\u5224\u65ad\u5176\u662f\u5426\u4e3a\u5076\u6570\uff1f<\/strong>
\u5728\u5904\u7406\u7528\u6237\u8f93\u5165\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528input()<\/code>\u51fd\u6570\u83b7\u53d6\u8f93\u5165\uff0c\u5e76\u7ed3\u5408int()<\/code>\u51fd\u6570\u5c06\u5176\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u5728\u8fdb\u884c\u5224\u65ad\u4e4b\u524d\uff0c\u53ef\u4ee5\u6dfb\u52a0\u5f02\u5e38\u5904\u7406\u6765\u6355\u83b7\u975e\u6574\u6570\u8f93\u5165\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528try<\/code>\u548cexcept<\/code>\u5757\u6765\u786e\u4fdd\u8f93\u5165\u6709\u6548\uff0c\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
try:\n    number = int(input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6574\u6570\uff1a"))\n    if number % 2 == 0:\n        print(f"{number} \u662f\u5076\u6570\u3002")\n    else:\n        print(f"{number} \u4e0d\u662f\u5076\u6570\u3002")\nexcept ValueError:\n    print("\u8bf7\u8f93\u5165\u6709\u6548\u7684\u6574\u6570\u3002")\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"Python\u5224\u65ad\u6574\u6570\u662f\u5426\u4e3a\u5076\u6570\uff0c\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5\u8be5\u6574\u6570\u9664\u4ee52\u7684\u4f59\u6570\u662f\u5426\u4e3a0\u6765\u5b9e\u73b0\u3002\u5177\u4f53\u65b9\u6cd5\u5982\u4e0b\uff1a def is_e […]","protected":false},"author":3,"featured_media":1163111,"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\/1163107"}],"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=1163107"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1163107\/revisions"}],"predecessor-version":[{"id":1163115,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1163107\/revisions\/1163115"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1163111"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1163107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1163107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1163107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}