{"id":1081013,"date":"2025-01-08T12:35:34","date_gmt":"2025-01-08T04:35:34","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1081013.html"},"modified":"2025-01-08T12:35:37","modified_gmt":"2025-01-08T04:35:37","slug":"python3%e5%a6%82%e4%bd%95%e5%86%99%e9%80%bb%e8%be%91%e4%b8%8e-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1081013.html","title":{"rendered":"python3\u5982\u4f55\u5199\u903b\u8f91\u4e0e"},"content":{"rendered":"

\"python3\u5982\u4f55\u5199\u903b\u8f91\u4e0e\"<\/p>\n

Python3\u5199\u903b\u8f91\u4e0e\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5e03\u5c14\u8fd0\u7b97\u7b26and<\/code>\u3001\u7ed3\u5408if<\/code>\u8bed\u53e5\u3001\u4f7f\u7528all()<\/code>\u51fd\u6570\u3002<\/strong> \u4f7f\u7528\u5e03\u5c14\u8fd0\u7b97\u7b26and<\/code>\u662f\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u4e4b\u4e00\uff0c\u5b83\u53ef\u4ee5\u68c0\u67e5\u591a\u4e2a\u6761\u4ef6\u662f\u5426\u540c\u65f6\u4e3a\u771f\u3002\u7ed3\u5408if<\/code>\u8bed\u53e5\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6761\u4ef6\u5224\u65ad\u548c\u903b\u8f91\u63a7\u5236\u3002all()<\/code>\u51fd\u6570\u5219\u7528\u4e8e\u68c0\u67e5\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4e2d\u7684\u6240\u6709\u5143\u7d20\u662f\u5426\u90fd\u4e3a\u771f\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e09\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5e03\u5c14\u8fd0\u7b97\u7b26and<\/code><\/h3>\n<\/p>\n

\u5e03\u5c14\u8fd0\u7b97\u7b26and<\/code>\u662fPython\u4e2d\u7528\u4e8e\u5b9e\u73b0\u903b\u8f91\u4e0e\u64cd\u4f5c\u7684\u57fa\u672c\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u7528\u6765\u8fde\u63a5\u4e24\u4e2a\u6216\u591a\u4e2a\u6761\u4ef6\uff0c\u5e76\u5728\u6240\u6709\u6761\u4ef6\u90fd\u6ee1\u8db3\u7684\u60c5\u51b5\u4e0b\u8fd4\u56deTrue<\/code>\uff0c\u5426\u5219\u8fd4\u56deFalse<\/code>\u3002 <\/p>\n<\/p>\n

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

x = 5<\/p>\n
y = 10<\/p>\n
if x > 0 and y > 0:<\/p>\n
    print("Both numbers are positive.")<\/p>\n
else:<\/p>\n
    print("At least one number is not positive.")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6761\u4ef6x > 0<\/code>\u548cy > 0<\/code>\u90fd\u5fc5\u987b\u4e3a\u771f\uff0c\u6574\u4e2a\u8868\u8fbe\u5f0f\u624d\u4f1a\u8fd4\u56deTrue<\/code>\uff0c\u5e76\u6253\u5370\u51fa\u201cBoth numbers are positive.\u201d\u3002\u5426\u5219\uff0c\u5c06\u6253\u5370\u51fa\u201cAt least one number is not positive.\u201d\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u7ed3\u5408if<\/code>\u8bed\u53e5<\/h3>\n<\/p>\n
\u7ed3\u5408if<\/code>\u8bed\u53e5\u4f7f\u7528and<\/code>\u8fd0\u7b97\u7b26\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u903b\u8f91\u5224\u65ad\u3002\u4f8b\u5982\uff0c\u5224\u65ad\u4e00\u4e2a\u6570\u662f\u5426\u5728\u67d0\u4e2a\u8303\u56f4\u5185\uff0c\u5e76\u4e14\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
number = 8<\/p>\n
if number >= 1 and number <= 10 and number % 2 == 0:<\/p>\n
    print("The number is between 1 and 10 and is even.")<\/p>\n
else:<\/p>\n
    print("The number does not meet the criteria.")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6761\u4ef6number >= 1<\/code>\u3001number <= 10<\/code>\u548cnumber % 2 == 0<\/code>\u90fd\u5fc5\u987b\u4e3a\u771f\uff0c\u624d\u4f1a\u6253\u5370\u51fa\u201cThe number is between 1 and 10 and is even.<\/code>\u201d\u3002\u5426\u5219\uff0c\u5c06\u6253\u5370\u51fa\u201cThe number does not meet the criteria.<\/code>\u201d\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528all()<\/code>\u51fd\u6570<\/h3>\n<\/p>\n
all()<\/code>\u51fd\u6570\u662fPython\u5185\u7f6e\u7684\u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u4e8e\u68c0\u67e5\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff08\u5982\u5217\u8868\u3001\u5143\u7ec4\u7b49\uff09\u4e2d\u7684\u6240\u6709\u5143\u7d20\u662f\u5426\u90fd\u4e3a\u771f\u3002\u5982\u679c\u6240\u6709\u5143\u7d20\u90fd\u4e3a\u771f\uff0call()<\/code>\u51fd\u6570\u8fd4\u56deTrue<\/code>\uff0c\u5426\u5219\u8fd4\u56deFalse<\/code>\u3002\u8fd9\u5728\u9700\u8981\u68c0\u67e5\u591a\u4e2a\u6761\u4ef6\u65f6\u7279\u522b\u6709\u7528\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
conditions = [x > 0, y > 0, x + y > 10]<\/p>\n
if all(conditions):<\/p>\n
    print("All conditions are met.")<\/p>\n
else:<\/p>\n
    print("Not all conditions are met.")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cconditions<\/code>\u662f\u4e00\u4e2a\u5305\u542b\u4e09\u4e2a\u5e03\u5c14\u8868\u8fbe\u5f0f\u7684\u5217\u8868\u3002all(conditions)<\/code>\u68c0\u67e5\u5217\u8868\u4e2d\u7684\u6240\u6709\u6761\u4ef6\u662f\u5426\u90fd\u4e3a\u771f\u3002\u5982\u679c\u662f\uff0c\u5219\u6253\u5370\u51fa\u201cAll conditions are met.<\/code>\u201d\uff0c\u5426\u5219\u6253\u5370\u51fa\u201cNot all conditions are met.<\/code>\u201d\u3002<\/p>\n<\/p>\n
\u603b\u7ed3<\/h3>\n<\/p>\n
\u7efc\u4e0a\u6240\u8ff0\uff0cPython3\u4e2d\u5b9e\u73b0\u903b\u8f91\u4e0e\u7684\u65b9\u6cd5\u4e3b\u8981\u5305\u62ec\u4f7f\u7528\u5e03\u5c14\u8fd0\u7b97\u7b26and<\/code>\u3001\u7ed3\u5408if<\/code>\u8bed\u53e5\u3001\u4f7f\u7528all()<\/code>\u51fd\u6570\u3002\u5e03\u5c14\u8fd0\u7b97\u7b26and<\/code><\/strong>\u662f\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fde\u63a5\u591a\u4e2a\u6761\u4ef6\u5e76\u8fdb\u884c\u5224\u65ad\u3002\u7ed3\u5408if<\/code>\u8bed\u53e5<\/strong>\u5219\u53ef\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u903b\u8f91\u63a7\u5236\u3002all()<\/code>\u51fd\u6570<\/strong>\u5219\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u68c0\u67e5\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4e2d\u7684\u6240\u6709\u6761\u4ef6\u662f\u5426\u90fd\u4e3a\u771f\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5b9e\u73b0\u903b\u8f91\u4e0e\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5b9e\u9645\u5e94\u7528\u573a\u666f<\/h3>\n<\/p>\n
1\u3001\u6570\u636e\u9a8c\u8bc1<\/h4>\n<\/p>\n
\u5728\u6570\u636e\u9a8c\u8bc1\u8fc7\u7a0b\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u68c0\u67e5\u591a\u4e2a\u6761\u4ef6\u662f\u5426\u540c\u65f6\u6ee1\u8db3\u3002\u4f8b\u5982\uff0c\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u7684\u8868\u5355\u6570\u636e\u662f\u5426\u7b26\u5408\u8981\u6c42\u3002<\/p>\n<\/p>\n
def validate_form(data):<\/p>\n
    if data['age'] > 18 and data['emAI<\/a>l'].endswith('@example.com') and data['name']:<\/p>\n
        return True<\/p>\n
    return False<\/p>\n
form_data = {'age': 25, 'email': 'user@example.com', 'name': 'John Doe'}<\/p>\n
if validate_form(form_data):<\/p>\n
    print("Form is valid.")<\/p>\n
else:<\/p>\n
    print("Form is invalid.")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cvalidate_form<\/code>\u51fd\u6570\u68c0\u67e5\u7528\u6237\u8f93\u5165\u7684\u5e74\u9f84\u662f\u5426\u5927\u4e8e18\u3001\u90ae\u7bb1\u662f\u5426\u4ee5@example.com<\/code>\u7ed3\u5c3e\u3001\u59d3\u540d\u662f\u5426\u975e\u7a7a\u3002\u5982\u679c\u6240\u6709\u6761\u4ef6\u90fd\u6ee1\u8db3\uff0c\u51fd\u6570\u8fd4\u56deTrue<\/code>\uff0c\u5426\u5219\u8fd4\u56deFalse<\/code>\u3002<\/p>\n<\/p>\n
2\u3001\u590d\u6742\u6761\u4ef6\u5224\u65ad<\/h4>\n<\/p>\n
\u5728\u4e00\u4e9b\u590d\u6742\u7684\u4e1a\u52a1\u903b\u8f91\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u540c\u65f6\u68c0\u67e5\u591a\u4e2a\u6761\u4ef6\u3002\u4f8b\u5982\uff0c\u5224\u65ad\u4e00\u4e2a\u7528\u6237\u662f\u5426\u6709\u6743\u9650\u8bbf\u95ee\u67d0\u4e2a\u8d44\u6e90\uff0c\u53ef\u80fd\u9700\u8981\u68c0\u67e5\u7528\u6237\u7684\u89d2\u8272\u3001\u72b6\u6001\u4ee5\u53ca\u5176\u4ed6\u76f8\u5173\u6761\u4ef6\u3002<\/p>\n<\/p>\n
def has_access(user):<\/p>\n
    if user['role'] == 'admin' and user['active'] and not user['banned']:<\/p>\n
        return True<\/p>\n
    return False<\/p>\n
user_info = {'role': 'admin', 'active': True, 'banned': False}<\/p>\n
if has_access(user_info):<\/p>\n
    print("User has access.")<\/p>\n
else:<\/p>\n
    print("User does not have access.")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0chas_access<\/code>\u51fd\u6570\u68c0\u67e5\u7528\u6237\u7684\u89d2\u8272\u662f\u5426\u4e3aadmin<\/code>\u3001\u7528\u6237\u662f\u5426\u6d3b\u8dc3\u4ee5\u53ca\u7528\u6237\u662f\u5426\u672a\u88ab\u7981\u6b62\u3002\u5982\u679c\u6240\u6709\u6761\u4ef6\u90fd\u6ee1\u8db3\uff0c\u51fd\u6570\u8fd4\u56deTrue<\/code>\uff0c\u5426\u5219\u8fd4\u56deFalse<\/code>\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528\u751f\u6210\u5668\u8868\u8fbe\u5f0f<\/h3>\n<\/p>\n
\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u53ef\u4ee5\u4e0eall()<\/code>\u51fd\u6570\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684\u903b\u8f91\u4e0e\u64cd\u4f5c\u3002\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u5728\u9700\u8981\u65f6\u624d\u4f1a\u751f\u6210\u5143\u7d20\uff0c\u56e0\u6b64\u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
numbers = [2, 4, 6, 8, 10]<\/p>\n
if all(n % 2 == 0 for n in numbers):<\/p>\n
    print("All numbers are even.")<\/p>\n
else:<\/p>\n
    print("Not all numbers are even.")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u751f\u6210\u5668\u8868\u8fbe\u5f0f(n % 2 == 0 for n in numbers)<\/code>\u9010\u4e2a\u68c0\u67e5\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u6570\u5b57\u662f\u5426\u4e3a\u5076\u6570\u3002\u5982\u679c\u6240\u6709\u6570\u5b57\u90fd\u662f\u5076\u6570\uff0call()<\/code>\u51fd\u6570\u8fd4\u56deTrue<\/code>\uff0c\u5e76\u6253\u5370\u51fa\u201cAll numbers are even.<\/code>\u201d\u3002\u5426\u5219\uff0c\u6253\u5370\u51fa\u201cNot all numbers are even.<\/code>\u201d\u3002<\/p>\n<\/p>\n
\u516d\u3001\u7ed3\u5408\u903b\u8f91\u6216\u8fd0\u7b97\u7b26<\/h3>\n<\/p>\n
\u6709\u65f6\u9700\u8981\u7ed3\u5408\u903b\u8f91\u6216\u8fd0\u7b97\u7b26or<\/code>\u548c\u903b\u8f91\u4e0e\u8fd0\u7b97\u7b26and<\/code>\u6765\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u6761\u4ef6\u5224\u65ad\u3002\u4f8b\u5982\uff0c\u5224\u65ad\u4e00\u4e2a\u7528\u6237\u662f\u5426\u4e3a\u7ba1\u7406\u5458\u6216\u8d85\u7ea7\u7528\u6237\uff0c\u5e76\u4e14\u7528\u6237\u662f\u5426\u6d3b\u8dc3\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
def has_privileges(user):<\/p>\n
    if (user['role'] == 'admin' or user['role'] == 'superuser') and user['active']:<\/p>\n
        return True<\/p>\n
    return False<\/p>\n
user_info = {'role': 'superuser', 'active': True}<\/p>\n
if has_privileges(user_info):<\/p>\n
    print("User has privileges.")<\/p>\n
else:<\/p>\n
    print("User does not have privileges.")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0chas_privileges<\/code>\u51fd\u6570\u68c0\u67e5\u7528\u6237\u7684\u89d2\u8272\u662f\u5426\u4e3aadmin<\/code>\u6216superuser<\/code>\uff0c\u5e76\u4e14\u7528\u6237\u662f\u5426\u6d3b\u8dc3\u3002\u5982\u679c\u6761\u4ef6\u90fd\u6ee1\u8db3\uff0c\u51fd\u6570\u8fd4\u56deTrue<\/code>\uff0c\u5426\u5219\u8fd4\u56deFalse<\/code>\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u5728\u5217\u8868\u63a8\u5bfc\u5f0f\u4e2d\u4f7f\u7528\u903b\u8f91\u4e0e<\/h3>\n<\/p>\n
\u5217\u8868\u63a8\u5bfc\u5f0f\u53ef\u4ee5\u7528\u4e8e\u751f\u6210\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u7684\u5217\u8868\u9879\u3002\u5728\u5217\u8868\u63a8\u5bfc\u5f0f\u4e2d\u4f7f\u7528\u903b\u8f91\u4e0e\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u6761\u4ef6\u8fc7\u6ee4\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]<\/p>\n
filtered_numbers = [n for n in numbers if n > 3 and n % 2 == 0]<\/p>\n
print(filtered_numbers)  # \u8f93\u51fa: [4, 6, 8, 10]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5217\u8868\u63a8\u5bfc\u5f0f\u751f\u6210\u4e00\u4e2a\u65b0\u5217\u8868\uff0c\u5176\u4e2d\u5305\u542b\u6240\u6709\u5927\u4e8e3\u4e14\u4e3a\u5076\u6570\u7684\u6570\u5b57\u3002\u903b\u8f91\u4e0e\u8fd0\u7b97\u7b26and<\/code>\u7528\u4e8e\u540c\u65f6\u68c0\u67e5\u4e24\u4e2a\u6761\u4ef6\u3002<\/p>\n<\/p>\n
\u516b\u3001\u9519\u8bef\u5904\u7406\u4e2d\u7684\u903b\u8f91\u4e0e<\/h3>\n<\/p>\n
\u5728\u9519\u8bef\u5904\u7406\u8fc7\u7a0b\u4e2d\uff0c\u903b\u8f91\u4e0e\u8fd0\u7b97\u7b26\u4e5f\u53ef\u4ee5\u7528\u4e8e\u68c0\u67e5\u591a\u4e2a\u6761\u4ef6\u3002\u4f8b\u5982\uff0c\u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5b58\u5728\u5e76\u4e14\u6587\u4ef6\u662f\u5426\u53ef\u8bfb\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
import os<\/p>\n
file_path = 'example.txt'<\/p>\n
if os.path.exists(file_path) and os.access(file_path, os.R_OK):<\/p>\n
    with open(file_path, 'r') as file:<\/p>\n
        content = file.read()<\/p>\n
    print(content)<\/p>\n
else:<\/p>\n
    print("File does not exist or is not readable.")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cos.path.exists(file_path)<\/code>\u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5b58\u5728\uff0cos.access(file_path, os.R_OK)<\/code>\u68c0\u67e5\u6587\u4ef6\u662f\u5426\u53ef\u8bfb\u3002\u5982\u679c\u4e24\u4e2a\u6761\u4ef6\u90fd\u6ee1\u8db3\uff0c\u6587\u4ef6\u5c06\u88ab\u6253\u5f00\u5e76\u8bfb\u53d6\u5185\u5bb9\u3002\u5426\u5219\uff0c\u5c06\u6253\u5370\u51fa\u201cFile does not exist or is not readable.<\/code>\u201d\u3002<\/p>\n<\/p>\n
\u4e5d\u3001\u7ed3\u5408\u51fd\u6570\u5f0f\u7f16\u7a0b<\/h3>\n<\/p>\n
\u5728\u51fd\u6570\u5f0f\u7f16\u7a0b\u4e2d\uff0c\u903b\u8f91\u4e0e\u8fd0\u7b97\u7b26\u53ef\u4ee5\u4e0e\u9ad8\u9636\u51fd\u6570\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u5b9e\u73b0\u66f4\u7b80\u6d01\u7684\u4ee3\u7801\u3002\u4f8b\u5982\uff0c\u4f7f\u7528filter()<\/code>\u51fd\u6570\u8fc7\u6ee4\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u7684\u5217\u8868\u9879\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]<\/p>\n
def is_even_and_greater_than_three(n):<\/p>\n
    return n > 3 and n % 2 == 0<\/p>\n
filtered_numbers = list(filter(is_even_and_greater_than_three, numbers))<\/p>\n
print(filtered_numbers)  # \u8f93\u51fa: [4, 6, 8, 10]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cfilter()<\/code>\u51fd\u6570\u7528\u4e8e\u8fc7\u6ee4\u6ee1\u8db3is_even_and_greater_than_three<\/code>\u6761\u4ef6\u7684\u5217\u8868\u9879\u3002\u903b\u8f91\u4e0e\u8fd0\u7b97\u7b26and<\/code>\u7528\u4e8e\u540c\u65f6\u68c0\u67e5\u4e24\u4e2a\u6761\u4ef6\u3002<\/p>\n<\/p>\n
\u5341\u3001\u7ed3\u5408\u903b\u8f91\u975e\u8fd0\u7b97\u7b26<\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u903b\u8f91\u4e0e\u8fd0\u7b97\u7b26\u53ef\u4ee5\u4e0e\u903b\u8f91\u975e\u8fd0\u7b97\u7b26not<\/code>\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u6761\u4ef6\u5224\u65ad\u3002\u4f8b\u5982\uff0c\u5224\u65ad\u4e00\u4e2a\u7528\u6237\u662f\u5426\u65e2\u4e0d\u662f\u7ba1\u7406\u5458\u4e5f\u4e0d\u662f\u8d85\u7ea7\u7528\u6237\uff0c\u5e76\u4e14\u7528\u6237\u662f\u5426\u6d3b\u8dc3\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
def lacks_privileges(user):<\/p>\n
    if (user['role'] != 'admin' and user['role'] != 'superuser') and user['active']:<\/p>\n
        return True<\/p>\n
    return False<\/p>\n
user_info = {'role': 'guest', 'active': True}<\/p>\n
if lacks_privileges(user_info):<\/p>\n
    print("User lacks privileges but is active.")<\/p>\n
else:<\/p>\n
    print("User does not meet the criteria.")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0clacks_privileges<\/code>\u51fd\u6570\u68c0\u67e5\u7528\u6237\u7684\u89d2\u8272\u662f\u5426\u65e2\u4e0d\u662fadmin<\/code>\u4e5f\u4e0d\u662fsuperuser<\/code>\uff0c\u5e76\u4e14\u7528\u6237\u662f\u5426\u6d3b\u8dc3\u3002\u5982\u679c\u6761\u4ef6\u90fd\u6ee1\u8db3\uff0c\u51fd\u6570\u8fd4\u56deTrue<\/code>\uff0c\u5426\u5219\u8fd4\u56deFalse<\/code>\u3002<\/p>\n<\/p>\n
\u603b\u7ed3<\/h3>\n<\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u8be6\u7ec6\u4ecb\u7ecd\uff0cPython3\u4e2d\u5b9e\u73b0\u903b\u8f91\u4e0e\u7684\u65b9\u6cd5\u4e3b\u8981\u5305\u62ec\u4f7f\u7528\u5e03\u5c14\u8fd0\u7b97\u7b26and<\/code>\u3001\u7ed3\u5408if<\/code>\u8bed\u53e5\u3001\u4f7f\u7528all()<\/code>\u51fd\u6570\u3001\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u3001\u903b\u8f91\u6216\u8fd0\u7b97\u7b26\u7ed3\u5408\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u9519\u8bef\u5904\u7406\u3001\u51fd\u6570\u5f0f\u7f16\u7a0b\u4ee5\u53ca\u903b\u8f91\u975e\u8fd0\u7b97\u7b26\u7ed3\u5408\u7b49\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5b9e\u73b0\u903b\u8f91\u4e0e\u64cd\u4f5c\uff0c\u5e76\u5728\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u4e2d\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002\u5408\u7406\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u7b80\u6d01\u3001\u9ad8\u6548\u548c\u6613\u4e8e\u7ef4\u62a4<\/strong>\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u903b\u8f91\u4e0e\u5728Python3\u4e2d\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f<\/strong>
\u5728Python3\u4e2d\uff0c\u903b\u8f91\u4e0e\u64cd\u4f5c\u4f7f\u7528\u5173\u952e\u5b57and<\/code>\u8fdb\u884c\u5b9e\u73b0\u3002\u903b\u8f91\u4e0e\u8fd0\u7b97\u7b26\u4f1a\u68c0\u67e5\u4e24\u4e2a\u6761\u4ef6\u662f\u5426\u540c\u65f6\u4e3a\u771f\uff0c\u53ea\u6709\u5f53\u4e24\u4e2a\u6761\u4ef6\u90fd\u4e3a\u771f\u65f6\uff0c\u6574\u4e2a\u8868\u8fbe\u5f0f\u7684\u7ed3\u679c\u624d\u4e3a\u771f\u3002\u4f8b\u5982\uff0ca = True<\/code>\u548cb = False<\/code>\u65f6\uff0c\u8868\u8fbe\u5f0fa and b<\/code>\u7684\u7ed3\u679c\u4e3aFalse<\/code>\u3002<\/p>\n
\u5728Python3\u4e2d\uff0c\u903b\u8f91\u4e0e\u8fd0\u7b97\u7684\u5e38\u89c1\u5e94\u7528\u573a\u666f\u6709\u54ea\u4e9b\uff1f<\/strong>
\u903b\u8f91\u4e0e\u8fd0\u7b97\u5728\u6761\u4ef6\u5224\u65ad\u4e2d\u975e\u5e38\u5e38\u89c1\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u540c\u65f6\u6ee1\u8db3\u591a\u4e2a\u6761\u4ef6\u7684\u60c5\u51b5\u4e0b\u3002\u4f8b\u5982\uff0c\u5728\u5904\u7406\u7528\u6237\u8f93\u5165\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u903b\u8f91\u4e0e\u6765\u786e\u4fdd\u7528\u6237\u8f93\u5165\u7684\u503c\u7b26\u5408\u7279\u5b9a\u7684\u8303\u56f4\uff0c\u6216\u8005\u5728\u63a7\u5236\u6d41\u4e2d\u5224\u65ad\u591a\u4e2a\u6761\u4ef6\u662f\u5426\u90fd\u6210\u7acb\uff0c\u4ece\u800c\u6267\u884c\u76f8\u5e94\u7684\u4ee3\u7801\u5757\u3002<\/p>\n
\u5982\u4f55\u5728Python3\u4e2d\u4f7f\u7528\u903b\u8f91\u4e0e\u8fdb\u884c\u590d\u6742\u6761\u4ef6\u5224\u65ad\uff1f<\/strong>
\u5728Python3\u4e2d\uff0c\u903b\u8f91\u4e0e\u53ef\u4ee5\u4e0e\u5176\u4ed6\u903b\u8f91\u8fd0\u7b97\u7b26\uff08\u5982or<\/code>\u548cnot<\/code>\uff09\u7ed3\u5408\u4f7f\u7528\uff0c\u4ece\u800c\u5f62\u6210\u590d\u6742\u7684\u6761\u4ef6\u5224\u65ad\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u903b\u8f91\u4e0e\u5c06\u591a\u4e2a\u6761\u4ef6\u7ec4\u5408\u5728\u4e00\u8d77\uff0c\u5982if (age > 18 and age < 65) and (income > 30000):<\/code>\uff0c\u8fd9\u6bb5\u4ee3\u7801\u5c06\u68c0\u67e5age<\/code>\u662f\u5426\u572818\u523065\u4e4b\u95f4\uff0c\u5e76\u4e14income<\/code>\u662f\u5426\u5927\u4e8e30000\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python3\u5199\u903b\u8f91\u4e0e\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5e03\u5c14\u8fd0\u7b97\u7b26and\u3001\u7ed3\u5408if\u8bed\u53e5\u3001\u4f7f\u7528all()\u51fd\u6570\u3002 \u4f7f\u7528\u5e03\u5c14\u8fd0\u7b97\u7b26and […]","protected":false},"author":3,"featured_media":1081019,"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\/1081013"}],"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=1081013"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1081013\/revisions"}],"predecessor-version":[{"id":1081020,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1081013\/revisions\/1081020"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1081019"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1081013"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1081013"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1081013"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}