{"id":1173822,"date":"2025-01-15T17:08:33","date_gmt":"2025-01-15T09:08:33","guid":{"rendered":""},"modified":"2025-01-15T17:08:36","modified_gmt":"2025-01-15T09:08:36","slug":"python%e5%a6%82%e4%bd%95%e8%87%aa%e5%ae%9a%e4%b9%89%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1173822.html","title":{"rendered":"python\u5982\u4f55\u81ea\u5b9a\u4e49\u7c7b\u578b"},"content":{"rendered":"

\"python\u5982\u4f55\u81ea\u5b9a\u4e49\u7c7b\u578b\"<\/p>\n

Python\u81ea\u5b9a\u4e49\u7c7b\u578b\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u7c7b\u3001\u5143\u7c7b\u3001\u6570\u636e\u7c7b\u3001\u679a\u4e3e\u7c7b\u548c\u7c7b\u578b\u6ce8\u89e3\u3002<\/strong>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8\u5982\u4f55\u4f7f\u7528\u7c7b\u6765\u81ea\u5b9a\u4e49\u7c7b\u578b\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u7c7b\u4e0e\u5bf9\u8c61<\/h3>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u7c7b\u662f\u521b\u5efa\u81ea\u5b9a\u4e49\u7c7b\u578b\u7684\u4e3b\u8981\u5de5\u5177\u3002\u7c7b\u662f\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u6838\u5fc3\u6982\u5ff5\uff0c\u5141\u8bb8\u6211\u4eec\u5b9a\u4e49\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u5e76\u521b\u5efa\u5b9e\u4f8b\u5316\u5bf9\u8c61\u3002\u8fd9\u4f7f\u5f97\u4ee3\u7801\u66f4\u5177\u53ef\u8bfb\u6027\u3001\u6a21\u5757\u5316\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n

1. \u5b9a\u4e49\u4e00\u4e2a\u7b80\u5355\u7684\u7c7b<\/h4>\n<\/p>\n

\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u975e\u5e38\u7b80\u5355\uff0c\u4f7f\u7528\u5173\u952e\u5b57 class<\/code>\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u672c\u7684\u7c7b\u5b9a\u4e49\uff1a<\/p>\n<\/p>\n

class Person:<\/p>\n
    def __init__(self, name, age):<\/p>\n
        self.name = name<\/p>\n
        self.age = age<\/p>\n
    def greet(self):<\/p>\n
        return f"Hello, my name is {self.name} and I am {self.age} years old."<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cPerson<\/code> \u7c7b\u6709\u4e24\u4e2a\u5c5e\u6027\uff08name<\/code> \u548c age<\/code>\uff09\u4ee5\u53ca\u4e00\u4e2a\u65b9\u6cd5\uff08greet<\/code>\uff09\u3002<\/p>\n<\/p>\n
2. \u521b\u5efa\u5b9e\u4f8b\u5bf9\u8c61<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528\u7c7b\u540d\u5e76\u4f20\u9012\u6240\u9700\u7684\u53c2\u6570\u6765\u521b\u5efa\u7c7b\u7684\u5b9e\u4f8b\u5bf9\u8c61\uff1a<\/p>\n<\/p>\n
person1 = Person("John", 30)<\/p>\n
print(person1.greet())  # \u8f93\u51fa: Hello, my name is John and I am 30 years old.<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u7ee7\u627f\u4e0e\u591a\u6001<\/h3>\n<\/p>\n
\u7ee7\u627f\u548c\u591a\u6001\u662f\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u4e24\u4e2a\u91cd\u8981\u7279\u6027\uff0c\u4f7f\u5f97\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u66f4\u590d\u6742\u548c\u7075\u6d3b\u7684\u81ea\u5b9a\u4e49\u7c7b\u578b\u3002<\/p>\n<\/p>\n
1. \u7ee7\u627f<\/h4>\n<\/p>\n
\u7ee7\u627f\u5141\u8bb8\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u65b0\u7c7b\uff0c\u8be5\u7c7b\u7ee7\u627f\u81ea\u73b0\u6709\u7c7b\uff0c\u4ece\u800c\u91cd\u7528\u4ee3\u7801\u3002\u4ee5\u4e0b\u662f\u7ee7\u627f\u7684\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n
class Employee(Person):<\/p>\n
    def __init__(self, name, age, employee_id):<\/p>\n
        super().__init__(name, age)<\/p>\n
        self.employee_id = employee_id<\/p>\n
    def get_employee_info(self):<\/p>\n
        return f"Name: {self.name}, Age: {self.age}, Employee ID: {self.employee_id}"<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cEmployee<\/code> \u7c7b\u7ee7\u627f\u4e86 Person<\/code> \u7c7b\uff0c\u5e76\u6dfb\u52a0\u4e86\u4e00\u4e2a\u65b0\u7684\u5c5e\u6027 employee_id<\/code> \u4ee5\u53ca\u4e00\u4e2a\u65b9\u6cd5 get_employee_info<\/code>\u3002<\/p>\n<\/p>\n
2. \u591a\u6001<\/h4>\n<\/p>\n
\u591a\u6001\u5141\u8bb8\u6211\u4eec\u5728\u4e0d\u540c\u7c7b\u4e2d\u4f7f\u7528\u76f8\u540c\u7684\u65b9\u6cd5\u540d\u79f0\uff0c\u4f46\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u6267\u884c\u4e0d\u540c\u7684\u64cd\u4f5c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
class Manager(Employee):<\/p>\n
    def __init__(self, name, age, employee_id, department):<\/p>\n
        super().__init__(name, age, employee_id)<\/p>\n
        self.department = department<\/p>\n
    def get_employee_info(self):<\/p>\n
        return f"Name: {self.name}, Age: {self.age}, Employee ID: {self.employee_id}, Department: {self.department}"<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cManager<\/code> \u7c7b\u91cd\u5199\u4e86 Employee<\/code> \u7c7b\u7684 get_employee_info<\/code> \u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u5143\u7c7b<\/h3>\n<\/p>\n
\u5143\u7c7b\u662f\u521b\u5efa\u7c7b\u7684\u7c7b\u3002\u5b83\u4eec\u5141\u8bb8\u6211\u4eec\u63a7\u5236\u7c7b\u7684\u521b\u5efa\u548c\u4fee\u6539\u884c\u4e3a\u3002\u5143\u7c7b\u7684\u4e00\u4e2a\u5e38\u89c1\u7528\u9014\u662f\u521b\u5efa\u5355\u4f8b\u6a21\u5f0f\u3002<\/p>\n<\/p>\n
1. \u5b9a\u4e49\u4e00\u4e2a\u5143\u7c7b<\/h4>\n<\/p>\n
class SingletonMeta(type):<\/p>\n
    _instances = {}<\/p>\n
    def __call__(cls, *args, kwargs):<\/p>\n
        if cls not in cls._instances:<\/p>\n
            cls._instances[cls] = super().__call__(*args, kwargs)<\/p>\n
        return cls._instances[cls]<\/p>\n
<\/code><\/pre>\n<\/p>\n
2. \u4f7f\u7528\u5143\u7c7b<\/h4>\n<\/p>\n
class SingletonClass(metaclass=SingletonMeta):<\/p>\n
    def __init__(self, value):<\/p>\n
        self.value = value<\/p>\n
singleton1 = SingletonClass(10)<\/p>\n
singleton2 = SingletonClass(20)<\/p>\n
print(singleton1.value)  # \u8f93\u51fa: 10<\/p>\n
print(singleton2.value)  # \u8f93\u51fa: 10<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u65e0\u8bba\u6211\u4eec\u521b\u5efa\u591a\u5c11\u4e2a SingletonClass<\/code> \u5b9e\u4f8b\uff0c\u5b83\u4eec\u90fd\u5c06\u662f\u540c\u4e00\u4e2a\u5b9e\u4f8b\u3002<\/p>\n<\/p>\n
\u56db\u3001\u6570\u636e\u7c7b<\/h3>\n<\/p>\n
\u6570\u636e\u7c7b\u662fPython 3.7\u5f15\u5165\u7684\u4e00\u79cd\u7b80\u4fbf\u65b9\u5f0f\uff0c\u7528\u4e8e\u521b\u5efa\u5305\u542b\u6570\u636e\u7684\u7c7b\u3002\u4f7f\u7528 @dataclass<\/code> \u88c5\u9970\u5668\u53ef\u4ee5\u81ea\u52a8\u751f\u6210\u5e38\u7528\u7684\u7279\u6b8a\u65b9\u6cd5\uff0c\u5982 __init__<\/code> \u548c __repr__<\/code>\u3002<\/p>\n<\/p>\n
1. \u5b9a\u4e49\u6570\u636e\u7c7b<\/h4>\n<\/p>\n
from dataclasses import dataclass<\/p>\n
@dataclass<\/p>\n
class Product:<\/p>\n
    name: str<\/p>\n
    price: float<\/p>\n
product = Product("Laptop", 999.99)<\/p>\n
print(product)  # \u8f93\u51fa: Product(name='Laptop', price=999.99)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u6570\u636e\u7c7b\u4f7f\u5f97\u5b9a\u4e49\u5305\u542b\u6570\u636e\u7684\u7c7b\u53d8\u5f97\u66f4\u52a0\u7b80\u5355\u548c\u76f4\u89c2\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u679a\u4e3e\u7c7b<\/h3>\n<\/p>\n
\u679a\u4e3e\u7c7b\u5141\u8bb8\u6211\u4eec\u5b9a\u4e49\u4e00\u7ec4\u547d\u540d\u5e38\u91cf\u3002\u5b83\u4eec\u662f\u8868\u793a\u56fa\u5b9a\u96c6\u5408\u503c\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n<\/p>\n
1. \u5b9a\u4e49\u679a\u4e3e\u7c7b<\/h4>\n<\/p>\n
from enum import Enum<\/p>\n
class Color(Enum):<\/p>\n
    RED = 1<\/p>\n
    GREEN = 2<\/p>\n
    BLUE = 3<\/p>\n
print(Color.RED)  # \u8f93\u51fa: Color.RED<\/p>\n
print(Color.RED.name)  # \u8f93\u51fa: RED<\/p>\n
print(Color.RED.value)  # \u8f93\u51fa: 1<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u679a\u4e3e\u7c7b\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u56fa\u5b9a\u96c6\u5408\u503c\u65f6\u3002<\/p>\n<\/p>\n
\u516d\u3001\u7c7b\u578b\u6ce8\u89e3<\/h3>\n<\/p>\n
\u7c7b\u578b\u6ce8\u89e3\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u81ea\u6587\u6863\u5316\uff0c\u5e76\u4e14\u53ef\u4ee5\u88ab\u9759\u6001\u7c7b\u578b\u68c0\u67e5\u5de5\u5177\u4f7f\u7528\uff0c\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u9760\u6027\u3002<\/p>\n<\/p>\n
1. \u4f7f\u7528\u7c7b\u578b\u6ce8\u89e3<\/h4>\n<\/p>\n
def greet(name: str) -> str:<\/p>\n
    return f"Hello, {name}!"<\/p>\n
print(greet("Alice"))  # \u8f93\u51fa: Hello, Alice!<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u7c7b\u578b\u6ce8\u89e3\u53ef\u4ee5\u5e94\u7528\u4e8e\u53d8\u91cf\u3001\u51fd\u6570\u53c2\u6570\u548c\u8fd4\u56de\u503c\uff0c\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u7406\u89e3\u4ee3\u7801\u7684\u9884\u671f\u7c7b\u578b\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u81ea\u5b9a\u4e49\u7c7b\u578b\u7684\u5b9e\u9645\u5e94\u7528<\/h3>\n<\/p>\n
1. \u521b\u5efa\u4e00\u4e2a\u590d\u6742\u7684\u81ea\u5b9a\u4e49\u7c7b\u578b<\/h4>\n<\/p>\n
\u4e0b\u9762\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u5c5e\u6027\u548c\u65b9\u6cd5\u7684\u590d\u6742\u81ea\u5b9a\u4e49\u7c7b\u578b\uff0c\u5e76\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u5b83\u3002<\/p>\n<\/p>\n
class Vehicle:<\/p>\n
    def __init__(self, make, model, year):<\/p>\n
        self.make = make<\/p>\n
        self.model = model<\/p>\n
        self.year = year<\/p>\n
    def get_info(self):<\/p>\n
        return f"{self.year} {self.make} {self.model}"<\/p>\n
class Car(Vehicle):<\/p>\n
    def __init__(self, make, model, year, num_doors):<\/p>\n
        super().__init__(make, model, year)<\/p>\n
        self.num_doors = num_doors<\/p>\n
    def get_info(self):<\/p>\n
        return f"{self.year} {self.make} {self.model}, {self.num_doors} doors"<\/p>\n
class Truck(Vehicle):<\/p>\n
    def __init__(self, make, model, year, payload_capacity):<\/p>\n
        super().__init__(make, model, year)<\/p>\n
        self.payload_capacity = payload_capacity<\/p>\n
    def get_info(self):<\/p>\n
        return f"{self.year} {self.make} {self.model}, Payload: {self.payload_capacity}kg"<\/p>\n
car = Car("Toyota", "Camry", 2020, 4)<\/p>\n
truck = Truck("Ford", "F-150", 2019, 1000)<\/p>\n
print(car.get_info())  # \u8f93\u51fa: 2020 Toyota Camry, 4 doors<\/p>\n
print(truck.get_info())  # \u8f93\u51fa: 2019 Ford F-150, Payload: 1000kg<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a Vehicle<\/code> \u7c7b\uff0c\u5e76\u6d3e\u751f\u4e86 Car<\/code> \u548c Truck<\/code> \u5b50\u7c7b\u3002\u6bcf\u4e2a\u5b50\u7c7b\u90fd\u91cd\u5199\u4e86 get_info<\/code> \u65b9\u6cd5\u4ee5\u63d0\u4f9b\u4e0d\u540c\u7684\u4fe1\u606f\u683c\u5f0f\u3002<\/p>\n<\/p>\n
\u516b\u3001\u81ea\u5b9a\u4e49\u7c7b\u578b\u7684\u6700\u4f73\u5b9e\u8df5<\/h3>\n<\/p>\n
    \n
  1. \u4fdd\u6301\u7c7b\u7684\u5355\u4e00\u804c\u8d23<\/strong>\uff1a\u6bcf\u4e2a\u7c7b\u5e94\u5c3d\u53ef\u80fd\u53ea\u505a\u4e00\u4ef6\u4e8b\u3002\u8fd9\u6837\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6d4b\u8bd5\u6027\u3002<\/li>\n
  2. \u4f7f\u7528\u7ee7\u627f\u548c\u7ec4\u5408<\/strong>\uff1a\u5408\u7406\u4f7f\u7528\u7ee7\u627f\u548c\u7ec4\u5408\u6765\u91cd\u7528\u4ee3\u7801\uff0c\u5e76\u521b\u5efa\u66f4\u7075\u6d3b\u548c\u53ef\u6269\u5c55\u7684\u8bbe\u8ba1\u3002<\/li>\n
  3. \u6587\u6863\u5316\u4ee3\u7801<\/strong>\uff1a\u4e3a\u7c7b\u548c\u65b9\u6cd5\u7f16\u5199\u6587\u6863\u5b57\u7b26\u4e32\uff0c\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n
  4. \u4f7f\u7528\u7c7b\u578b\u6ce8\u89e3<\/strong>\uff1a\u7c7b\u578b\u6ce8\u89e3\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u7406\u89e3\u4ee3\u7801\u7684\u9884\u671f\u884c\u4e3a\uff0c\u5e76\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u9760\u6027\u3002<\/li>\n
  5. \u6d4b\u8bd5\u81ea\u5b9a\u4e49\u7c7b\u578b<\/strong>\uff1a\u7f16\u5199\u5355\u5143\u6d4b\u8bd5\u6765\u9a8c\u8bc1\u81ea\u5b9a\u4e49\u7c7b\u578b\u7684\u884c\u4e3a\uff0c\u5e76\u786e\u4fdd\u4ee3\u7801\u7684\u6b63\u786e\u6027\u3002<\/li>\n<\/ol>\n
    \u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u60a8\u53ef\u4ee5\u5728Python\u4e2d\u521b\u5efa\u4e30\u5bcc\u7684\u3001\u81ea\u5b9a\u4e49\u7684\u7c7b\u578b\uff0c\u4ee5\u6ee1\u8db3\u5404\u79cd\u7f16\u7a0b\u9700\u6c42\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u81ea\u5b9a\u4e49\u7c7b\u578b\uff1f<\/strong>
    \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49\u7c7b\u6765\u521b\u5efa\u81ea\u5b9a\u4e49\u7c7b\u578b\u3002\u7c7b\u662f\u4e00\u4e2a\u84dd\u56fe\uff0c\u5b9a\u4e49\u4e86\u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u521b\u5efa\u81ea\u5b9a\u4e49\u7c7b\u578b\u7684\u57fa\u672c\u6b65\u9aa4\u5305\u62ec\u4f7f\u7528class<\/code>\u5173\u952e\u5b57\u5b9a\u4e49\u7c7b\uff0c\u521d\u59cb\u5316\u5c5e\u6027\u7684__init__<\/code>\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5b9a\u4e49\u5176\u4ed6\u65b9\u6cd5\u6765\u5b9e\u73b0\u7279\u5b9a\u529f\u80fd\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
    class MyType:\n    def __init__(self, name):\n        self.name = name\n\n    def greet(self):\n        return f"Hello, {self.name}!"\n<\/code><\/pre>\n
    \u901a\u8fc7\u5b9e\u4f8b\u5316MyType<\/code>\u7c7b\uff0c\u53ef\u4ee5\u521b\u5efa\u5177\u6709\u7279\u5b9a\u5c5e\u6027\u548c\u884c\u4e3a\u7684\u5bf9\u8c61\u3002<\/p>\n
    \u81ea\u5b9a\u4e49\u7c7b\u578b\u5728Python\u4e2d\u6709\u54ea\u4e9b\u5e94\u7528\u573a\u666f\uff1f<\/strong>
    \u81ea\u5b9a\u4e49\u7c7b\u578b\u5728\u591a\u4e2a\u573a\u666f\u4e2d\u975e\u5e38\u6709\u7528\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1a\u521b\u5efa\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\uff08\u5982\u6811\u3001\u56fe\u7b49\uff09\u3001\u5c01\u88c5\u76f8\u5173\u7684\u51fd\u6570\u548c\u6570\u636e\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u91cd\u7528\u6027\u3001\u5b9e\u73b0\u7279\u5b9a\u7684\u4e1a\u52a1\u903b\u8f91\uff0c\u6216\u662f\u4e3a\u7b2c\u4e09\u65b9\u5e93\u7684\u63a5\u53e3\u63d0\u4f9b\u66f4\u4e3a\u53cb\u597d\u7684\u4f7f\u7528\u4f53\u9a8c\u3002\u901a\u8fc7\u81ea\u5b9a\u4e49\u7c7b\u578b\uff0c\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u7ed3\u6784\u5316\u548c\u53ef\u7ef4\u62a4\u3002<\/p>\n
    \u5982\u4f55\u4e3a\u81ea\u5b9a\u4e49\u7c7b\u578b\u6dfb\u52a0\u65b9\u6cd5\u548c\u5c5e\u6027\uff1f<\/strong>
    \u5728\u81ea\u5b9a\u4e49\u7c7b\u578b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49\u7c7b\u4e2d\u7684\u65b9\u6cd5\u548c\u5c5e\u6027\u6765\u6269\u5c55\u5176\u529f\u80fd\u3002\u5c5e\u6027\u901a\u8fc7\u5728__init__<\/code>\u65b9\u6cd5\u4e2d\u4f7f\u7528self<\/code>\u5173\u952e\u5b57\u8fdb\u884c\u5b9a\u4e49\uff0c\u800c\u65b9\u6cd5\u5219\u662f\u901a\u8fc7\u5728\u7c7b\u4e2d\u5b9a\u4e49\u51fd\u6570\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a<\/p>\n
    class Circle:\n    def __init__(self, radius):\n        self.radius = radius\n\n    def area(self):\n        return 3.14 * self.radius ** 2\n<\/code><\/pre>\n
    \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cCircle<\/code>\u7c7b\u6709\u4e00\u4e2a\u5c5e\u6027radius<\/code>\u548c\u4e00\u4e2a\u8ba1\u7b97\u9762\u79ef\u7684\u65b9\u6cd5area()<\/code>\u3002\u4f7f\u7528\u81ea\u5b9a\u4e49\u7c7b\u578b\u65f6\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u6dfb\u52a0\u66f4\u591a\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u6765\u6ee1\u8db3\u5177\u4f53\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u81ea\u5b9a\u4e49\u7c7b\u578b\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u7c7b\u3001\u5143\u7c7b\u3001\u6570\u636e\u7c7b\u3001\u679a\u4e3e\u7c7b\u548c\u7c7b\u578b\u6ce8\u89e3\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8\u5982\u4f55\u4f7f\u7528\u7c7b\u6765\u81ea\u5b9a […]","protected":false},"author":3,"featured_media":1173831,"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\/1173822"}],"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=1173822"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1173822\/revisions"}],"predecessor-version":[{"id":1173834,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1173822\/revisions\/1173834"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1173831"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1173822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1173822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1173822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}