{"id":924473,"date":"2024-12-26T15:13:54","date_gmt":"2024-12-26T07:13:54","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/924473.html"},"modified":"2024-12-26T15:13:56","modified_gmt":"2024-12-26T07:13:56","slug":"python%e5%a6%82%e4%bd%95%e6%96%b0%e5%bb%ba","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/924473.html","title":{"rendered":"python\u5982\u4f55\u65b0\u5efa"},"content":{"rendered":"

\"python\u5982\u4f55\u65b0\u5efa\"<\/p>\n

\u5728Python\u4e2d\uff0c\u521b\u5efa\u65b0\u5bf9\u8c61\u6216\u7ed3\u6784\u7684\u4e3b\u8981\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528\u7c7b\u4e0e\u5b9e\u4f8b\u5316\u3001\u5b9a\u4e49\u51fd\u6570\u3001\u4ee5\u53ca\u4f7f\u7528\u5185\u5efa\u7684\u6570\u636e\u7ed3\u6784\u5982\u5217\u8868\u3001\u5b57\u5178\u7b49\u3002\u901a\u8fc7\u7c7b\u521b\u5efa\u5bf9\u8c61\u3001\u901a\u8fc7\u51fd\u6570\u5b9e\u73b0\u91cd\u590d\u4f7f\u7528\u7684\u4ee3\u7801\u3001\u901a\u8fc7\u6570\u636e\u7ed3\u6784\u7ec4\u7ec7\u548c\u5b58\u50a8\u6570\u636e\u662fPython\u7f16\u7a0b\u7684\u91cd\u8981\u57fa\u7840\u3002<\/strong>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bba\u8fd9\u4e9b\u65b9\u6cd5\u7684\u4f7f\u7528\u53ca\u5176\u5728Python\u7f16\u7a0b\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528\u7c7b\u521b\u5efa\u65b0\u5bf9\u8c61<\/p>\n<\/p>\n

\u7c7b\u662fPython\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u57fa\u7840\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u5b9a\u4e49\u65b0\u7684\u5bf9\u8c61\u7c7b\u578b\u3002\u901a\u8fc7\u5b9a\u4e49\u7c7b\uff0c\u4f60\u53ef\u4ee5\u521b\u5efa\u5bf9\u8c61\u7684\u6a21\u677f\uff0c\u8fd9\u4e9b\u5bf9\u8c61\u53ef\u4ee5\u6709\u81ea\u5df1\u7684\u5c5e\u6027\uff08\u6570\u636e\uff09\u548c\u65b9\u6cd5\uff08\u529f\u80fd\uff09\u3002\u4ee5\u4e0b\u662f\u5173\u4e8e\u5982\u4f55\u4f7f\u7528\u7c7b\u6765\u521b\u5efa\u65b0\u5bf9\u8c61\u7684\u8be6\u7ec6\u8bf4\u660e\uff1a<\/p>\n<\/p>\n

1.1\u3001\u5b9a\u4e49\u7c7b<\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u7c7b\u901a\u8fc7\u5173\u952e\u5b57class<\/code>\u5b9a\u4e49\u3002\u7c7b\u901a\u5e38\u5305\u542b\u521d\u59cb\u5316\u65b9\u6cd5__init__<\/code>\uff0c\u7528\u4e8e\u5728\u521b\u5efa\u5bf9\u8c61\u65f6\u521d\u59cb\u5316\u5176\u5c5e\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7c7b\u5b9a\u4e49\u793a\u4f8b\uff1a<\/p>\n<\/p>\n

class Dog:<\/p>\n
    def __init__(self, name, age):<\/p>\n
        self.name = name<\/p>\n
        self.age = age<\/p>\n
    def speak(self):<\/p>\n
        return f"{self.name} says woof!"<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cDog<\/code>\u7c7b\u6709\u4e24\u4e2a\u5c5e\u6027name<\/code>\u548cage<\/code>\uff0c\u4ee5\u53ca\u4e00\u4e2a\u65b9\u6cd5speak<\/code>\u3002<\/p>\n<\/p>\n
1.2\u3001\u5b9e\u4f8b\u5316\u5bf9\u8c61<\/p>\n<\/p>\n
\u4e00\u65e6\u7c7b\u88ab\u5b9a\u4e49\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528\u7c7b\u540d\u5e76\u4f20\u9012\u5fc5\u8981\u7684\u53c2\u6570\u6765\u521b\u5efa\u8be5\u7c7b\u7684\u5b9e\u4f8b\uff08\u5373\u5bf9\u8c61\uff09\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
my_dog = Dog("Buddy", 5)<\/p>\n
print(my_dog.speak())  # \u8f93\u51fa: Buddy says woof!<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u91cc\uff0cmy_dog<\/code>\u662fDog<\/code>\u7c7b\u7684\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u5b83\u5177\u6709\u81ea\u5df1\u7684name<\/code>\u548cage<\/code>\u5c5e\u6027\uff0c\u5e76\u53ef\u4ee5\u8c03\u7528speak<\/code>\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u51fd\u6570\u521b\u5efa\u65b0\u529f\u80fd<\/p>\n<\/p>\n
\u51fd\u6570\u662f\u7ec4\u7ec7\u548c\u91cd\u7528\u4ee3\u7801\u7684\u57fa\u672c\u5355\u5143\u3002\u901a\u8fc7\u5b9a\u4e49\u51fd\u6570\uff0c\u53ef\u4ee5\u521b\u5efa\u53ef\u4ee5\u591a\u6b21\u8c03\u7528\u7684\u65b0\u529f\u80fd\uff0c\u800c\u65e0\u9700\u91cd\u590d\u7f16\u5199\u4ee3\u7801\u3002<\/p>\n<\/p>\n
2.1\u3001\u5b9a\u4e49\u51fd\u6570<\/p>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u51fd\u6570\u901a\u8fc7def<\/code>\u5173\u952e\u5b57\u5b9a\u4e49\uff0c\u5e76\u53ef\u4ee5\u63a5\u6536\u53c2\u6570\u548c\u8fd4\u56de\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u51fd\u6570\u5b9a\u4e49\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
def greet(name):<\/p>\n
    return f"Hello, {name}!"<\/p>\n
print(greet("Alice"))  # \u8f93\u51fa: Hello, Alice!<\/p>\n
<\/code><\/pre>\n<\/p>\n
2.2\u3001\u53c2\u6570\u548c\u8fd4\u56de\u503c<\/p>\n<\/p>\n
\u51fd\u6570\u53ef\u4ee5\u6709\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\u548c\u8fd4\u56de\u503c\uff0c\u8fd9\u4f7f\u5f97\u5b83\u4eec\u975e\u5e38\u7075\u6d3b\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def add(a, b):<\/p>\n
    return a + b<\/p>\n
result = add(3, 4)<\/p>\n
print(result)  # \u8f93\u51fa: 7<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u5185\u5efa\u6570\u636e\u7ed3\u6784<\/p>\n<\/p>\n
Python\u63d0\u4f9b\u4e86\u591a\u79cd\u5185\u5efa\u6570\u636e\u7ed3\u6784\uff0c\u5982\u5217\u8868\u3001\u5b57\u5178\u3001\u96c6\u5408\u548c\u5143\u7ec4\uff0c\u53ef\u4ee5\u7528\u4e8e\u7ec4\u7ec7\u548c\u5b58\u50a8\u6570\u636e\u3002<\/p>\n<\/p>\n
3.1\u3001\u5217\u8868<\/p>\n<\/p>\n
\u5217\u8868\u662f\u6709\u5e8f\u7684\u53ef\u53d8\u96c6\u5408\uff0c\u53ef\u4ee5\u5b58\u50a8\u4efb\u610f\u7c7b\u578b\u7684\u5bf9\u8c61\u3002\u4f7f\u7528\u65b9\u62ec\u53f7[]<\/code>\u521b\u5efa\u5217\u8868\uff1a<\/p>\n<\/p>\n
numbers = [1, 2, 3, 4, 5]<\/p>\n
numbers.append(6)<\/p>\n
print(numbers)  # \u8f93\u51fa: [1, 2, 3, 4, 5, 6]<\/p>\n
<\/code><\/pre>\n<\/p>\n
3.2\u3001\u5b57\u5178<\/p>\n<\/p>\n
\u5b57\u5178\u662f\u65e0\u5e8f\u7684\u952e\u503c\u5bf9\u96c6\u5408\uff0c\u4f7f\u7528\u82b1\u62ec\u53f7{}<\/code>\u521b\u5efa\uff1a<\/p>\n<\/p>\n
person = {"name": "Alice", "age": 30}<\/p>\n
print(person["name"])  # \u8f93\u51fa: Alice<\/p>\n
<\/code><\/pre>\n<\/p>\n
3.3\u3001\u96c6\u5408\u548c\u5143\u7ec4<\/p>\n<\/p>\n
\u96c6\u5408\u662f\u65e0\u5e8f\u7684\u552f\u4e00\u5143\u7d20\u96c6\u5408\uff0c\u800c\u5143\u7ec4\u662f\u6709\u5e8f\u7684\u4e0d\u53ef\u53d8\u96c6\u5408\u3002\u5b83\u4eec\u53ef\u4ee5\u5206\u522b\u901a\u8fc7set()<\/code>\u548c()<\/code>\u521b\u5efa\uff1a<\/p>\n<\/p>\n
fruits = {"apple", "banana", "cherry"}<\/p>\n
coordinates = (10, 20)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001Python\u4e2d\u7684\u6a21\u5757\u4e0e\u5305<\/p>\n<\/p>\n
\u6a21\u5757\u548c\u5305\u662f\u7ec4\u7ec7Python\u4ee3\u7801\u7684\u66f4\u9ad8\u7ea7\u65b9\u5f0f\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u5c06\u76f8\u5173\u529f\u80fd\u5206\u7ec4\u5e76\u91cd\u7528\u3002<\/p>\n<\/p>\n
4.1\u3001\u521b\u5efa\u6a21\u5757<\/p>\n<\/p>\n
\u6a21\u5757\u662f\u5305\u542bPython\u4ee3\u7801\u7684\u6587\u4ef6\uff0c\u53ef\u4ee5\u901a\u8fc7import<\/code>\u8bed\u53e5\u5bfc\u5165\u548c\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u6709\u4e00\u4e2a\u540d\u4e3amath_utils.py<\/code>\u7684\u6587\u4ef6\uff1a<\/p>\n<\/p>\n
# math_utils.py<\/p>\n
def square(x):<\/p>\n
    return x * x<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f60\u53ef\u4ee5\u5728\u53e6\u4e00\u4e2a\u6587\u4ef6\u4e2d\u5bfc\u5165\u548c\u4f7f\u7528\u8fd9\u4e2a\u6a21\u5757\uff1a<\/p>\n<\/p>\n
import math_utils<\/p>\n
print(math_utils.square(5))  # \u8f93\u51fa: 25<\/p>\n
<\/code><\/pre>\n<\/p>\n
4.2\u3001\u521b\u5efa\u5305<\/p>\n<\/p>\n
\u5305\u662f\u5305\u542b\u591a\u4e2a\u6a21\u5757\u7684\u76ee\u5f55\uff0c\u5fc5\u987b\u5305\u542b\u4e00\u4e2a__init__.py<\/code>\u6587\u4ef6\u3002\u901a\u8fc7\u7ec4\u7ec7\u76f8\u5173\u6a21\u5757\uff0c\u5305\u53ef\u4ee5\u521b\u5efa\u66f4\u590d\u6742\u7684\u5e94\u7528\u7a0b\u5e8f\u7ed3\u6784\u3002<\/p>\n<\/p>\n
\u4e94\u3001Python\u4e2d\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b<\/p>\n<\/p>\n
\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09\u662fPython\u7684\u6838\u5fc3\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u901a\u8fc7\u7c7b\u548c\u5bf9\u8c61\u6765\u6a21\u62df\u73b0\u5b9e\u4e16\u754c\u7684\u4e8b\u7269\u3002<\/p>\n<\/p>\n
5.1\u3001\u7ee7\u627f<\/p>\n<\/p>\n
\u7ee7\u627f\u5141\u8bb8\u4e00\u4e2a\u7c7b\uff08\u5b50\u7c7b\uff09\u7ee7\u627f\u53e6\u4e00\u4e2a\u7c7b\uff08\u7236\u7c7b\uff09\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u4ece\u800c\u5b9e\u73b0\u4ee3\u7801\u91cd\u7528\u548c\u5c42\u6b21\u7ed3\u6784\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
class Animal:<\/p>\n
    def __init__(self, name):<\/p>\n
        self.name = name<\/p>\n
    def speak(self):<\/p>\n
        pass<\/p>\n
class Cat(Animal):<\/p>\n
    def speak(self):<\/p>\n
        return f"{self.name} says meow!"<\/p>\n
my_cat = Cat("Whiskers")<\/p>\n
print(my_cat.speak())  # \u8f93\u51fa: Whiskers says meow!<\/p>\n
<\/code><\/pre>\n<\/p>\n
5.2\u3001\u591a\u6001<\/p>\n<\/p>\n
\u591a\u6001\u5141\u8bb8\u5b50\u7c7b\u91cd\u5199\u7236\u7c7b\u7684\u65b9\u6cd5\uff0c\u4ece\u800c\u5b9e\u73b0\u4e0d\u540c\u7684\u884c\u4e3a\u3002\u4f8b\u5982\uff0c\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0cCat<\/code>\u7c7b\u91cd\u5199\u4e86Animal<\/code>\u7c7b\u7684speak<\/code>\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u516d\u3001Python\u4e2d\u7684\u9519\u8bef\u5904\u7406<\/p>\n<\/p>\n
\u9519\u8bef\u5904\u7406\u662f\u7f16\u7a0b\u4e2d\u7684\u91cd\u8981\u90e8\u5206\uff0cPython\u901a\u8fc7try-except<\/code>\u8bed\u53e5\u63d0\u4f9b\u4e86\u5904\u7406\u5f02\u5e38\u7684\u673a\u5236\u3002<\/p>\n<\/p>\n
6.1\u3001\u6355\u83b7\u5f02\u5e38<\/p>\n<\/p>\n
\u901a\u8fc7try-except<\/code>\u5757\uff0c\u53ef\u4ee5\u6355\u83b7\u548c\u5904\u7406\u53ef\u80fd\u53d1\u751f\u7684\u5f02\u5e38\uff0c\u4ece\u800c\u907f\u514d\u7a0b\u5e8f\u5d29\u6e83\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
try:<\/p>\n
    result = 10 \/ 0<\/p>\n
except ZeroDivisionError:<\/p>\n
    result = None<\/p>\n
    print("Cannot divide by zero.")<\/p>\n
<\/code><\/pre>\n<\/p>\n
6.2\u3001\u81ea\u5b9a\u4e49\u5f02\u5e38<\/p>\n<\/p>\n
\u53ef\u4ee5\u901a\u8fc7\u7ee7\u627fException<\/code>\u7c7b\u521b\u5efa\u81ea\u5b9a\u4e49\u5f02\u5e38\uff0c\u4ee5\u4fbf\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\u629b\u51fa\u548c\u5904\u7406\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
class MyCustomError(Exception):<\/p>\n
    pass<\/p>\n
def do_something():<\/p>\n
    rAI<\/a>se MyCustomError("Something went wrong!")<\/p>\n
try:<\/p>\n
    do_something()<\/p>\n
except MyCustomError as e:<\/p>\n
    print(e)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e03\u3001Python\u4e2d\u7684\u6587\u4ef6\u64cd\u4f5c<\/p>\n<\/p>\n
Python\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6587\u4ef6\u64cd\u4f5c\u529f\u80fd\uff0c\u53ef\u4ee5\u8bfb\u53d6\u548c\u5199\u5165\u6587\u4ef6\u3002<\/p>\n<\/p>\n
7.1\u3001\u8bfb\u53d6\u6587\u4ef6<\/p>\n<\/p>\n
\u4f7f\u7528\u5185\u5efa\u7684open<\/code>\u51fd\u6570\u53ef\u4ee5\u6253\u5f00\u548c\u8bfb\u53d6\u6587\u4ef6\u7684\u5185\u5bb9\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
with open('example.txt', 'r') as file:<\/p>\n
    content = file.read()<\/p>\n
    print(content)<\/p>\n
<\/code><\/pre>\n<\/p>\n
7.2\u3001\u5199\u5165\u6587\u4ef6<\/p>\n<\/p>\n
\u540c\u6837\u5730\uff0c\u53ef\u4ee5\u4f7f\u7528open<\/code>\u51fd\u6570\u4ee5\u5199\u5165\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\u5e76\u5199\u5165\u5185\u5bb9\uff1a<\/p>\n<\/p>\n
with open('example.txt', 'w') as file:<\/p>\n
    file.write("Hello, World!")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516b\u3001Python\u4e2d\u7684\u6570\u636e\u5904\u7406\u4e0e\u5206\u6790<\/p>\n<\/p>\n
Python\u5f3a\u5927\u7684\u5e93\u5982NumPy\u548cPandas\u4f7f\u5f97\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u53d8\u5f97\u7b80\u5355\u3002<\/p>\n<\/p>\n
8.1\u3001NumPy<\/p>\n<\/p>\n
NumPy\u63d0\u4f9b\u4e86\u591a\u7ef4\u6570\u7ec4\u5bf9\u8c61\u548c\u7528\u4e8e\u5904\u7406\u6570\u7ec4\u7684\u5404\u79cd\u51fd\u6570\uff0c\u975e\u5e38\u9002\u5408\u6570\u503c\u8ba1\u7b97\u3002<\/p>\n<\/p>\n
import numpy as np<\/p>\n
array = np.array([1, 2, 3])<\/p>\n
print(array * 2)  # \u8f93\u51fa: [2, 4, 6]<\/p>\n
<\/code><\/pre>\n<\/p>\n
8.2\u3001Pandas<\/p>\n<\/p>\n
Pandas\u63d0\u4f9b\u4e86\u6570\u636e\u7ed3\u6784\u548c\u6570\u636e\u5206\u6790\u5de5\u5177\uff0c\u7279\u522b\u662fDataFrame\u5bf9\u8c61\uff0c\u7528\u4e8e\u5904\u7406\u8868\u683c\u6570\u636e\u3002<\/p>\n<\/p>\n
import pandas as pd<\/p>\n
data = {'Name': ['Alice', 'Bob'], 'Age': [30, 25]}<\/p>\n
df = pd.DataFrame(data)<\/p>\n
print(df)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e5d\u3001Python\u4e2d\u7684Web\u5f00\u53d1<\/p>\n<\/p>\n
Python\u7684Django\u548cFlask\u6846\u67b6\u4f7f\u5f97Web\u5f00\u53d1\u53d8\u5f97\u9ad8\u6548\u548c\u7b80\u5355\u3002<\/p>\n<\/p>\n
9.1\u3001Django<\/p>\n<\/p>\n
Django\u662f\u4e00\u4e2a\u9ad8\u7ea7Web\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u5b8c\u6574\u7684Web\u5f00\u53d1\u89e3\u51b3\u65b9\u6848\uff0c\u5305\u62ecORM\u3001\u6a21\u677f\u5f15\u64ce\u548c\u7ba1\u7406\u5de5\u5177\u3002<\/p>\n<\/p>\n
9.2\u3001Flask<\/p>\n<\/p>\n
Flask\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7Web\u6846\u67b6\uff0c\u9002\u5408\u6784\u5efa\u7b80\u5355\u7684Web\u5e94\u7528\u7a0b\u5e8f\u548c\u5fae\u670d\u52a1\u3002<\/p>\n<\/p>\n
\u603b\u7ed3<\/p>\n<\/p>\n
\u901a\u8fc7\u7c7b\u4e0e\u5b9e\u4f8b\u5316\u3001\u5b9a\u4e49\u51fd\u6570\u3001\u4f7f\u7528\u5185\u5efa\u6570\u636e\u7ed3\u6784\u3001\u6a21\u5757\u4e0e\u5305\u3001\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u3001\u9519\u8bef\u5904\u7406\u3001\u6587\u4ef6\u64cd\u4f5c\u3001\u6570\u636e\u5904\u7406\u4e0e\u5206\u6790\uff0c\u4ee5\u53caWeb\u5f00\u53d1\uff0cPython\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5de5\u5177\u548c\u529f\u80fd\u6765\u521b\u5efa\u5404\u79cd\u65b0\u5bf9\u8c61\u548c\u7ed3\u6784\u3002\u6bcf\u4e2a\u65b9\u6cd5\u90fd\u6709\u5176\u72ec\u7279\u7684\u4f18\u70b9\u548c\u5e94\u7528\u573a\u666f\uff0c\u7406\u89e3\u5e76\u719f\u7ec3\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u662f\u7cbe\u901aPython\u7f16\u7a0b\u7684\u5173\u952e\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6587\u4ef6\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684open()<\/code>\u51fd\u6570\u6765\u65b0\u5efa\u4e00\u4e2a\u6587\u4ef6\u3002\u53ef\u4ee5\u901a\u8fc7\u4f20\u9012\u6587\u4ef6\u540d\u548c\u6a21\u5f0f\u53c2\u6570\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff0c\u4f7f\u7528open('\u65b0\u6587\u4ef6.txt', 'w')<\/code>\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u65b0\u6587\u4ef6\u3002\u5982\u679c\u6587\u4ef6\u5df2\u7ecf\u5b58\u5728\uff0c\u4f7f\u7528\u5199\u5165\u6a21\u5f0f'w'<\/code>\u4f1a\u6e05\u7a7a\u539f\u6709\u5185\u5bb9\u3002\u5982\u679c\u5e0c\u671b\u4ee5\u8ffd\u52a0\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\uff0c\u4f7f\u7528'a'<\/code>\u6a21\u5f0f\u3002\u8bb0\u5f97\u5728\u6587\u4ef6\u64cd\u4f5c\u5b8c\u6210\u540e\u4f7f\u7528close()<\/code>\u65b9\u6cd5\u5173\u95ed\u6587\u4ef6\uff0c\u6216\u8005\u4f7f\u7528with<\/code>\u8bed\u53e5\u6765\u81ea\u52a8\u7ba1\u7406\u6587\u4ef6\u7684\u6253\u5f00\u548c\u5173\u95ed\u3002<\/p>\n
Python\u4e2d\u5982\u4f55\u5b9a\u4e49\u4e00\u4e2a\u65b0\u7684\u51fd\u6570\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u5b9a\u4e49\u4e00\u4e2a\u65b0\u7684\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528def<\/code>\u5173\u952e\u5b57\u3002\u51fd\u6570\u7684\u57fa\u672c\u8bed\u6cd5\u662fdef \u51fd\u6570\u540d(\u53c2\u6570):<\/code>\uff0c\u7136\u540e\u5728\u7f29\u8fdb\u7684\u4ee3\u7801\u5757\u4e2d\u7f16\u5199\u51fd\u6570\u7684\u903b\u8f91\u3002\u4f8b\u5982\uff0c\u5b9a\u4e49\u4e00\u4e2a\u7b80\u5355\u7684\u52a0\u6cd5\u51fd\u6570\u53ef\u4ee5\u5199\u4f5c\uff1a  <\/p>\n
def add(a, b):\n    return a + b\n<\/code><\/pre>\n
\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\u65f6\u53ea\u9700\u4f20\u5165\u4e24\u4e2a\u53c2\u6570\uff0c\u5982add(2, 3)<\/code>\uff0c\u8fd4\u56de\u503c\u4e3a5\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u65b0\u7684\u7c7b\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u521b\u5efa\u65b0\u7c7b\u4f7f\u7528class<\/code>\u5173\u952e\u5b57\u3002\u7c7b\u7684\u57fa\u672c\u7ed3\u6784\u5982\u4e0b\uff1a  <\/p>\n
class MyClass:\n    def __init__(self, \u5c5e\u6027):\n        self.\u5c5e\u6027 = \u5c5e\u6027\n\n    def \u65b9\u6cd5\u540d(self):\n        # \u65b9\u6cd5\u7684\u903b\u8f91\n<\/code><\/pre>\n
\u901a\u8fc7\u8fd9\u4e2a\u7ed3\u6784\uff0c\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u65b0\u7684\u7c7b\uff0c\u5e76\u5728\u7c7b\u4e2d\u6dfb\u52a0\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u4f7f\u7528\u8fd9\u4e2a\u7c7b\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9e\u4f8b = MyClass(\u503c)<\/code>\u7684\u65b9\u5f0f\u521b\u5efa\u7c7b\u7684\u5b9e\u4f8b\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u4f7f\u7528\u7c7b\u4e2d\u7684\u65b9\u6cd5\u548c\u5c5e\u6027\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u521b\u5efa\u65b0\u5bf9\u8c61\u6216\u7ed3\u6784\u7684\u4e3b\u8981\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528\u7c7b\u4e0e\u5b9e\u4f8b\u5316\u3001\u5b9a\u4e49\u51fd\u6570\u3001\u4ee5\u53ca\u4f7f\u7528\u5185\u5efa\u7684\u6570\u636e\u7ed3\u6784\u5982\u5217\u8868\u3001\u5b57\u5178 […]","protected":false},"author":3,"featured_media":924477,"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\/924473"}],"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=924473"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/924473\/revisions"}],"predecessor-version":[{"id":924479,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/924473\/revisions\/924479"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/924477"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=924473"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=924473"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=924473"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}