{"id":1164571,"date":"2025-01-15T15:09:09","date_gmt":"2025-01-15T07:09:09","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1164571.html"},"modified":"2025-01-15T15:09:12","modified_gmt":"2025-01-15T07:09:12","slug":"python%e5%86%99%e5%a5%bd%e7%9a%84%e4%bb%a3%e7%a0%81%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1164571.html","title":{"rendered":"python\u5199\u597d\u7684\u4ee3\u7801\u5982\u4f55\u4f7f\u7528"},"content":{"rendered":"

\"python\u5199\u597d\u7684\u4ee3\u7801\u5982\u4f55\u4f7f\u7528\"<\/p>\n

Python\u5199\u597d\u7684\u4ee3\u7801\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u4f7f\u7528\uff1a\u76f4\u63a5\u8fd0\u884c\u811a\u672c\u3001\u5bfc\u5165\u6a21\u5757\u3001\u4f7f\u7528\u865a\u62df\u73af\u5883\u3001\u901a\u8fc7\u547d\u4ee4\u884c\u53c2\u6570\u4f20\u9012\u3001\u7ed3\u5408GUI\u6216Web\u5e94\u7528\u7b49<\/strong>\u3002\u5176\u4e2d\uff0c\u76f4\u63a5\u8fd0\u884c\u811a\u672c\u548c\u5bfc\u5165\u6a21\u5757\u662f\u6700\u5e38\u89c1\u7684\u65b9\u5f0f\u3002\u5bfc\u5165\u6a21\u5757<\/strong>\u662f\u4e00\u4e2a\u5f88\u5e38\u7528\u7684\u65b9\u5f0f\uff0c\u8fd9\u6837\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u6a21\u5757\u5316\u548c\u53ef\u91cd\u7528\u3002<\/p>\n<\/p>\n

\u5bfc\u5165\u6a21\u5757<\/strong>\u662f\u6307\u5c06\u5199\u597d\u7684Python\u4ee3\u7801\u5c01\u88c5\u6210\u6a21\u5757\uff08.py\u6587\u4ef6\uff09\uff0c\u7136\u540e\u5728\u5176\u4ed6Python\u6587\u4ef6\u4e2d\u901a\u8fc7import\u8bed\u53e5\u5bfc\u5165\u5e76\u4f7f\u7528\u3002\u4e0b\u9762\u8be6\u7ec6\u8bf4\u660e\u5bfc\u5165\u6a21\u5757\u7684\u4f7f\u7528\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n

\u5bfc\u5165\u6a21\u5757\u7684\u4f7f\u7528\u65b9\u6cd5<\/h3>\n<\/p>\n
    \n
  1. \u7f16\u5199\u6a21\u5757\u6587\u4ef6<\/strong>\uff1a\u9996\u5148\uff0c\u5c06\u4f60\u7684\u4ee3\u7801\u4fdd\u5b58\u4e3a\u4e00\u4e2aPython\u6587\u4ef6\u3002\u4f8b\u5982\uff0c\u4f60\u7684\u4ee3\u7801\u6587\u4ef6\u540d\u662fmymodule.py<\/code>\u3002<\/li>\n
  2. \u5b9a\u4e49\u51fd\u6570\u548c\u7c7b<\/strong>\uff1a\u5728\u8fd9\u4e2a\u6a21\u5757\u6587\u4ef6\u4e2d\u5b9a\u4e49\u4f60\u9700\u8981\u7684\u51fd\u6570\u548c\u7c7b\uff0c\u4f7f\u5f97\u5176\u4ed6\u6587\u4ef6\u53ef\u4ee5\u8c03\u7528\u3002\u4f8b\u5982\uff1a\n
    # mymodule.py<\/p>\n
    def my_function():<\/p>\n
        print("This is a function from my module")<\/p>\n
    class MyClass:<\/p>\n
        def __init__(self, name):<\/p>\n
            self.name = name<\/p>\n
        def greet(self):<\/p>\n
            print(f"Hello, {self.name}")<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n
  3. \u5bfc\u5165\u6a21\u5757<\/strong>\uff1a\u5728\u4f60\u9700\u8981\u4f7f\u7528\u8fd9\u4e2a\u6a21\u5757\u7684Python\u6587\u4ef6\u4e2d\uff0c\u901a\u8fc7import\u8bed\u53e5\u5bfc\u5165\u8fd9\u4e2a\u6a21\u5757\u3002\u4f8b\u5982\uff1a\n
    # mAI<\/a>n.py<\/p>\n
    import mymodule<\/p>\n
    mymodule.my_function()<\/p>\n
    obj = mymodule.MyClass("Alice")<\/p>\n
    obj.greet()<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n
  4. \u8fd0\u884c\u4e3b\u6587\u4ef6<\/strong>\uff1a\u6700\u540e\uff0c\u5728\u547d\u4ee4\u884c\u6216\u8005IDE\u4e2d\u8fd0\u884c\u4f60\u7684\u4e3b\u6587\u4ef6main.py<\/code>\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u8c03\u7528mymodule<\/code>\u4e2d\u7684\u51fd\u6570\u548c\u7c7b\u3002<\/li>\n<\/ol>\n
    \u4e00\u3001\u76f4\u63a5\u8fd0\u884c\u811a\u672c<\/h3>\n<\/p>\n
    \u76f4\u63a5\u8fd0\u884c\u811a\u672c\u662f\u6700\u7b80\u5355\u548c\u76f4\u63a5\u7684\u65b9\u5f0f\u3002\u4f60\u53ea\u9700\u8981\u5728\u547d\u4ee4\u884c\u6216\u8005IDE\u4e2d\u8fd0\u884c\u4f60\u7684Python\u811a\u672c\u6587\u4ef6\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u7684\u4ee3\u7801\u6587\u4ef6\u540d\u662fscript.py<\/code>\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u8fd0\u884c\uff1a<\/p>\n<\/p>\n
    python script.py<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u8fd9\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u4e00\u4e9b\u7b80\u5355\u7684\u811a\u672c\u6216\u4e00\u6b21\u6027\u4efb\u52a1\u3002<\/p>\n<\/p>\n
    \u4e8c\u3001\u5bfc\u5165\u6a21\u5757<\/h3>\n<\/p>\n
    \u5bfc\u5165\u6a21\u5757\u53ef\u4ee5\u4f7f\u4f60\u7684\u4ee3\u7801\u66f4\u52a0\u6a21\u5757\u5316\u548c\u53ef\u91cd\u7528\u3002\u4f60\u53ef\u4ee5\u5c06\u5e38\u7528\u7684\u51fd\u6570\u548c\u7c7b\u5c01\u88c5\u6210\u6a21\u5757\uff0c\u7136\u540e\u5728\u5176\u4ed6\u5730\u65b9\u5bfc\u5165\u548c\u4f7f\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
    # utils.py<\/p>\n
    def add(a, b):<\/p>\n
        return a + b<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    # main.py<\/p>\n
    import utils<\/p>\n
    result = utils.add(3, 4)<\/p>\n
    print(result)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u4e09\u3001\u4f7f\u7528\u865a\u62df\u73af\u5883<\/h3>\n<\/p>\n
    \u865a\u62df\u73af\u5883\u53ef\u4ee5\u4e3a\u6bcf\u4e2a\u9879\u76ee\u521b\u5efa\u4e00\u4e2a\u72ec\u7acb\u7684Python\u73af\u5883\uff0c\u907f\u514d\u4e0d\u540c\u9879\u76ee\u4e4b\u95f4\u7684\u4f9d\u8d56\u51b2\u7a81\u3002\u4f7f\u7528\u865a\u62df\u73af\u5883\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
      \n
    1. \n
      \u521b\u5efa\u865a\u62df\u73af\u5883\uff1a<\/p>\n<\/p>\n
      python -m venv myenv<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n
    2. \n
      \u6fc0\u6d3b\u865a\u62df\u73af\u5883\uff1a<\/p>\n<\/p>\n
      # Windows<\/p>\n
      myenv\\Scripts\\activate<\/p>\n
      macOS\/Linux<\/strong><\/h2>\n
      source myenv\/bin\/activate<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n
    3. \n
      \u5b89\u88c5\u4f9d\u8d56\uff1a<\/p>\n<\/p>\n
      pip install -r requirements.txt<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n
    4. \n
      \u8fd0\u884c\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
      python script.py<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
      \u56db\u3001\u901a\u8fc7\u547d\u4ee4\u884c\u53c2\u6570\u4f20\u9012<\/h3>\n<\/p>\n
      \u4f60\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u884c\u53c2\u6570\u4f20\u9012\u6765\u63a7\u5236\u4ee3\u7801\u7684\u884c\u4e3a\u3002\u4f7f\u7528argparse<\/code>\u6a21\u5757\u53ef\u4ee5\u65b9\u4fbf\u5730\u89e3\u6790\u547d\u4ee4\u884c\u53c2\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      # script.py<\/p>\n
      import argparse<\/p>\n
      def main():<\/p>\n
          parser = argparse.ArgumentParser(description="Sample script")<\/p>\n
          parser.add_argument("name", type=str, help="Your name")<\/p>\n
          args = parser.parse_args()<\/p>\n
          print(f"Hello, {args.name}")<\/p>\n
      if __name__ == "__main__":<\/p>\n
          main()<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u8fd0\u884c\u65b9\u5f0f\uff1a<\/p>\n<\/p>\n
      python script.py Alice<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u4e94\u3001\u7ed3\u5408GUI\u6216Web\u5e94\u7528<\/h3>\n<\/p>\n
      \u4f60\u53ef\u4ee5\u5c06Python\u4ee3\u7801\u7ed3\u5408GUI\u6216Web\u5e94\u7528\uff0c\u4f7f\u5176\u5177\u6709\u56fe\u5f62\u754c\u9762\u6216Web\u754c\u9762\u3002\u5e38\u7528\u7684GUI\u5e93\u6709Tkinter\u3001PyQt\uff0c\u5e38\u7528\u7684Web\u6846\u67b6\u6709Flask\u3001Django\u3002\u4f8b\u5982\uff0c\u4f7f\u7528Flask\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684Web\u5e94\u7528\uff1a<\/p>\n<\/p>\n
      # app.py<\/p>\n
      from flask import Flask, request<\/p>\n
      app = Flask(__name__)<\/p>\n
      @app.route("\/")<\/p>\n
      def home():<\/p>\n
          name = request.args.get("name", "World")<\/p>\n
          return f"Hello, {name}!"<\/p>\n
      if __name__ == "__main__":<\/p>\n
          app.run(debug=True)<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u8fd0\u884c\u65b9\u5f0f\uff1a<\/p>\n<\/p>\n
      python app.py<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u7136\u540e\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95eehttp:\/\/127.0.0.1:5000\/?name=Alice<\/code>\u3002<\/p>\n<\/p>\n
      \u516d\u3001\u7ed3\u5408\u6570\u636e\u5e93\u64cd\u4f5c<\/h3>\n<\/p>\n
      Python\u53ef\u4ee5\u4e0e\u5404\u79cd\u6570\u636e\u5e93\u8fdb\u884c\u4ea4\u4e92\uff0c\u5982SQLite\u3001MySQL\u3001PostgreSQL\u7b49\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528ORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\u5e93\u5982SQLAlchemy\u3001Django ORM\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528SQLAlchemy\u8fde\u63a5\u548c\u64cd\u4f5c\u6570\u636e\u5e93\uff1a<\/p>\n<\/p>\n
      # db.py<\/p>\n
      from sqlalchemy import create_engine, Column, Integer, String, Base<\/p>\n
      engine = create_engine('sqlite:\/\/\/example.db')<\/p>\n
      Base = declarative_base()<\/p>\n
      class User(Base):<\/p>\n
          __tablename__ = 'users'<\/p>\n
          id = Column(Integer, primary_key=True)<\/p>\n
          name = Column(String)<\/p>\n
      Base.metadata.create_all(engine)<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u4e03\u3001\u7ed3\u5408\u6570\u636e\u5206\u6790\u548c\u53ef\u89c6\u5316<\/h3>\n<\/p>\n
      Python\u5728\u6570\u636e\u5206\u6790\u548c\u53ef\u89c6\u5316\u65b9\u9762\u6709\u5f3a\u5927\u7684\u5e93\uff0c\u5982Pandas\u3001Matplotlib\u3001Seaborn\u7b49\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u5e93\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u53ef\u89c6\u5316\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      # analysis.py<\/p>\n
      import pandas as pd<\/p>\n
      import matplotlib.pyplot as plt<\/p>\n
      \u8bfb\u53d6\u6570\u636e<\/strong><\/h2>\n
      df = pd.read_csv("data.csv")<\/p>\n
      \u6570\u636e\u5206\u6790<\/strong><\/h2>\n
      summary = df.describe()<\/p>\n
      \u6570\u636e\u53ef\u89c6\u5316<\/strong><\/h2>\n
      plt.figure(figsize=(10, 6))<\/p>\n
      plt.hist(df["column_name"], bins=30)<\/p>\n
      plt.xlabel("Value")<\/p>\n
      plt.ylabel("Frequency")<\/p>\n
      plt.title("Histogram of Column Name")<\/p>\n
      plt.show()<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u516b\u3001\u7ed3\u5408\u673a\u5668\u5b66\u4e60<\/a>\u548c\u6df1\u5ea6\u5b66\u4e60<\/h3>\n<\/p>\n
      Python\u5728\u673a\u5668\u5b66\u4e60\u548c\u6df1\u5ea6\u5b66\u4e60\u9886\u57df\u6709\u4e30\u5bcc\u7684\u5e93\uff0c\u5982Scikit-learn\u3001TensorFlow\u3001Keras\u3001PyTorch\u7b49\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u5e93\u6784\u5efa\u548c\u8bad\u7ec3\u6a21\u578b\u3002\u4f8b\u5982\uff0c\u4f7f\u7528Scikit-learn\u8fdb\u884c\u5206\u7c7b\u4efb\u52a1\uff1a<\/p>\n<\/p>\n
      # ml.py<\/p>\n
      from sklearn.datasets import load_iris<\/p>\n
      from sklearn.model_selection import train_test_split<\/p>\n
      from sklearn.ensemble import RandomForestClassifier<\/p>\n
      from sklearn.metrics import accuracy_score<\/p>\n
      \u52a0\u8f7d\u6570\u636e<\/strong><\/h2>\n
      iris = load_iris()<\/p>\n
      X, y = iris.data, iris.target<\/p>\n
      \u5206\u5272\u6570\u636e\u96c6<\/strong><\/h2>\n
      X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.3, random_state=42)<\/p>\n
      \u8bad\u7ec3\u6a21\u578b<\/strong><\/h2>\n
      clf = RandomForestClassifier()<\/p>\n
      clf.fit(X_train, y_train)<\/p>\n
      \u9884\u6d4b<\/strong><\/h2>\n
      y_pred = clf.predict(X_test)<\/p>\n
      \u8bc4\u4f30<\/strong><\/h2>\n
      accuracy = accuracy_score(y_test, y_pred)<\/p>\n
      print(f"Accuracy: {accuracy}")<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u4e5d\u3001\u7ed3\u5408\u591a\u7ebf\u7a0b\u548c\u591a\u8fdb\u7a0b<\/h3>\n<\/p>\n
      Python\u63d0\u4f9b\u4e86\u591a\u7ebf\u7a0b\u548c\u591a\u8fdb\u7a0b\u7684\u652f\u6301\uff0c\u53ef\u4ee5\u5229\u7528threading<\/code>\u548cmultiprocessing<\/code>\u6a21\u5757\u8fdb\u884c\u5e76\u53d1\u7f16\u7a0b\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u591a\u7ebf\u7a0b\u5904\u7406\u4efb\u52a1\uff1a<\/p>\n<\/p>\n
      # threading_example.py<\/p>\n
      import threading<\/p>\n
      def task(name):<\/p>\n
          print(f"Task {name} is running")<\/p>\n
      threads = []<\/p>\n
      for i in range(5):<\/p>\n
          t = threading.Thread(target=task, args=(i,))<\/p>\n
          threads.append(t)<\/p>\n
          t.start()<\/p>\n
      for t in threads:<\/p>\n
          t.join()<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5341\u3001\u7ed3\u5408\u65e5\u5fd7\u8bb0\u5f55<\/h3>\n<\/p>\n
      \u65e5\u5fd7\u8bb0\u5f55\u662f\u5e94\u7528\u7a0b\u5e8f\u4e2d\u975e\u5e38\u91cd\u8981\u7684\u4e00\u90e8\u5206\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8ddf\u8e2a\u548c\u8c03\u8bd5\u4ee3\u7801\u3002Python\u7684logging<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u65e5\u5fd7\u8bb0\u5f55\u529f\u80fd\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      # logging_example.py<\/p>\n
      import logging<\/p>\n
      \u914d\u7f6e\u65e5\u5fd7<\/strong><\/h2>\n
      logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')<\/p>\n
      \u4f7f\u7528\u65e5\u5fd7<\/strong><\/h2>\n
      logger = logging.getLogger(__name__)<\/p>\n
      logger.info("This is an info message")<\/p>\n
      logger.warning("This is a warning message")<\/p>\n
      logger.error("This is an error message")<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5341\u4e00\u3001\u7ed3\u5408\u5355\u5143\u6d4b\u8bd5<\/h3>\n<\/p>\n
      \u5355\u5143\u6d4b\u8bd5\u662f\u4fdd\u8bc1\u4ee3\u7801\u8d28\u91cf\u7684\u91cd\u8981\u624b\u6bb5\u3002Python\u7684unittest<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u65b9\u4fbf\u7684\u5355\u5143\u6d4b\u8bd5\u529f\u80fd\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      # test_example.py<\/p>\n
      import unittest<\/p>\n
      from mymodule import add<\/p>\n
      class TestAdd(unittest.TestCase):<\/p>\n
          def test_add(self):<\/p>\n
              self.assertEqual(add(1, 2), 3)<\/p>\n
              self.assertEqual(add(-1, 1), 0)<\/p>\n
              self.assertEqual(add(0, 0), 0)<\/p>\n
      if __name__ == '__main__':<\/p>\n
          unittest.main()<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u8fd0\u884c\u6d4b\u8bd5\uff1a<\/p>\n<\/p>\n
      python -m unittest test_example.py<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5341\u4e8c\u3001\u7ed3\u5408\u81ea\u52a8\u5316\u811a\u672c<\/h3>\n<\/p>\n
      Python\u53ef\u4ee5\u7f16\u5199\u81ea\u52a8\u5316\u811a\u672c\uff0c\u5982\u81ea\u52a8\u5316\u6d4b\u8bd5\u3001\u81ea\u52a8\u5316\u90e8\u7f72\u7b49\u3002\u4f8b\u5982\uff0c\u4f7f\u7528selenium<\/code>\u8fdb\u884c\u81ea\u52a8\u5316\u6d4b\u8bd5\uff1a<\/p>\n<\/p>\n
      # selenium_example.py<\/p>\n
      from selenium import webdriver<\/p>\n
      driver = webdriver.Chrome()<\/p>\n
      driver.get("http:\/\/www.example.com")<\/p>\n
      print(driver.title)<\/p>\n
      driver.quit()<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5341\u4e09\u3001\u7ed3\u5408API\u8c03\u7528<\/h3>\n<\/p>\n
      Python\u53ef\u4ee5\u8c03\u7528\u5404\u79cdAPI\uff0c\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u548c\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528requests<\/code>\u5e93\u8c03\u7528RESTful API\uff1a<\/p>\n<\/p>\n
      # api_example.py<\/p>\n
      import requests<\/p>\n
      response = requests.get("https:\/\/api.example.com\/data")<\/p>\n
      data = response.json()<\/p>\n
      print(data)<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5341\u56db\u3001\u7ed3\u5408\u6587\u4ef6\u64cd\u4f5c<\/h3>\n<\/p>\n
      Python\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u6587\u4ef6\u64cd\u4f5c\uff0c\u5982\u8bfb\u5199\u6587\u4ef6\u3001\u5904\u7406CSV\u6587\u4ef6\u7b49\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      # file_example.py<\/p>\n
      with open("example.txt", "w") as f:<\/p>\n
          f.write("Hello, world!")<\/p>\n
      with open("example.txt", "r") as f:<\/p>\n
          content = f.read()<\/p>\n
          print(content)<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5341\u4e94\u3001\u7ed3\u5408\u73af\u5883\u53d8\u91cf<\/h3>\n<\/p>\n
      \u4f7f\u7528\u73af\u5883\u53d8\u91cf\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u914d\u7f6e\u6027\u548c\u5b89\u5168\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      # env_example.py<\/p>\n
      import os<\/p>\n
      db_username = os.getenv("DB_USERNAME")<\/p>\n
      db_password = os.getenv("DB_PASSWORD")<\/p>\n
      print(f"DB Username: {db_username}, DB Password: {db_password}")<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5341\u516d\u3001\u7ed3\u5408\u5f02\u5e38\u5904\u7406<\/h3>\n<\/p>\n
      \u5f02\u5e38\u5904\u7406\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u5065\u58ee\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      # exception_example.py<\/p>\n
      try:<\/p>\n
          result = 10 \/ 0<\/p>\n
      except ZeroDivisionError as e:<\/p>\n
          print(f"Error: {e}")<\/p>\n
      finally:<\/p>\n
          print("Cleanup actions")<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5341\u4e03\u3001\u7ed3\u5408\u88c5\u9970\u5668<\/h3>\n<\/p>\n
      \u88c5\u9970\u5668\u53ef\u4ee5\u589e\u5f3a\u51fd\u6570\u7684\u529f\u80fd\uff0c\u800c\u4e0d\u4fee\u6539\u5176\u4ee3\u7801\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      # decorator_example.py<\/p>\n
      def my_decorator(func):<\/p>\n
          def wrapper():<\/p>\n
              print("Something is happening before the function is called.")<\/p>\n
              func()<\/p>\n
              print("Something is happening after the function is called.")<\/p>\n
          return wrapper<\/p>\n
      @my_decorator<\/p>\n
      def say_hello():<\/p>\n
          print("Hello!")<\/p>\n
      say_hello()<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5341\u516b\u3001\u7ed3\u5408\u751f\u6210\u5668<\/h3>\n<\/p>\n
      \u751f\u6210\u5668\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u6548\u7387\u548c\u53ef\u8bfb\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      # generator_example.py<\/p>\n
      def my_generator():<\/p>\n
          yield 1<\/p>\n
          yield 2<\/p>\n
          yield 3<\/p>\n
      for value in my_generator():<\/p>\n
          print(value)<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5341\u4e5d\u3001\u7ed3\u5408\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668<\/h3>\n<\/p>\n
      \u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u53ef\u4ee5\u7b80\u5316\u8d44\u6e90\u7ba1\u7406<\/a>\uff0c\u5982\u6587\u4ef6\u64cd\u4f5c\u3001\u6570\u636e\u5e93\u8fde\u63a5\u7b49\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      # context_example.py<\/p>\n
      with open("example.txt", "w") as f:<\/p>\n
          f.write("Hello, world!")<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u4e8c\u5341\u3001\u7ed3\u5408\u5143\u7f16\u7a0b<\/h3>\n<\/p>\n
      \u5143\u7f16\u7a0b\u53ef\u4ee5\u52a8\u6001\u5730\u4fee\u6539\u4ee3\u7801\u7684\u884c\u4e3a\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      # metaprogramming_example.py<\/p>\n
      class MyMeta(type):<\/p>\n
          def __new__(cls, name, bases, dct):<\/p>\n
              dct['greet'] = lambda self: print(f"Hello from {name}")<\/p>\n
              return super().__new__(cls, name, bases, dct)<\/p>\n
      class MyClass(metaclass=MyMeta):<\/p>\n
          pass<\/p>\n
      obj = MyClass()<\/p>\n
      obj.greet()<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u901a\u8fc7\u4ee5\u4e0a\u591a\u79cd\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u7075\u6d3b\u5730\u4f7f\u7528Python\u5199\u597d\u7684\u4ee3\u7801\uff0c\u5e76\u7ed3\u5408\u5b9e\u9645\u9700\u6c42\u8fdb\u884c\u5f00\u53d1\u548c\u90e8\u7f72\u3002\u5e0c\u671b\u8fd9\u4e9b\u5185\u5bb9\u80fd\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<\/p>\n
      \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
       \u5982\u4f55\u5728\u672c\u5730\u8fd0\u884cPython\u4ee3\u7801\uff1f<\/strong>
      \u8981\u5728\u672c\u5730\u8fd0\u884cPython\u4ee3\u7801\uff0c\u60a8\u9700\u8981\u786e\u4fdd\u5df2\u7ecf\u5728\u8ba1\u7b97\u673a\u4e0a\u5b89\u88c5\u4e86Python\u3002\u53ef\u4ee5\u4ecePython\u5b98\u65b9\u7f51\u7ad9\u4e0b\u8f7d\u5e76\u5b89\u88c5\u6700\u65b0\u7248\u672c\u3002\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u884c\u6216\u7ec8\u7aef\u8fdb\u5165\u4ee3\u7801\u6587\u4ef6\u6240\u5728\u7684\u76ee\u5f55\uff0c\u5e76\u4f7f\u7528\u547d\u4ee4python \u6587\u4ef6\u540d.py<\/code>\u6765\u8fd0\u884c\u4ee3\u7801\u3002<\/p>\n
      \u5982\u4f55\u5c06Python\u4ee3\u7801\u90e8\u7f72\u5230\u670d\u52a1\u5668\u4e0a\uff1f<\/strong>
      \u5c06Python\u4ee3\u7801\u90e8\u7f72\u5230\u670d\u52a1\u5668\u4e0a\u901a\u5e38\u6d89\u53ca\u51e0\u4e2a\u6b65\u9aa4\u3002\u60a8\u9700\u8981\u9009\u62e9\u4e00\u4e2a\u5408\u9002\u7684\u670d\u52a1\u5668\u73af\u5883\uff0c\u4f8b\u5982\u4f7f\u7528Linux\u670d\u52a1\u5668\uff0c\u7136\u540e\u5c06\u4ee3\u7801\u4e0a\u4f20\u5230\u670d\u52a1\u5668\u3002\u53ef\u4ee5\u4f7f\u7528FTP\u5de5\u5177\u6216\u8005\u901a\u8fc7SSH\u8fde\u63a5\u3002\u786e\u4fdd\u670d\u52a1\u5668\u4e0a\u5b89\u88c5\u4e86Python\u73af\u5883\uff0c\u5e76\u6839\u636e\u9879\u76ee\u9700\u6c42\u5b89\u88c5\u76f8\u5173\u4f9d\u8d56\u5e93\u3002\u901a\u8fc7\u547d\u4ee4\u884c\u8fd0\u884c\u4ee3\u7801\u5373\u53ef\u3002<\/p>\n
      \u5982\u4f55\u8c03\u8bd5Python\u4ee3\u7801\u4ee5\u89e3\u51b3\u9519\u8bef\uff1f<\/strong>
      \u8c03\u8bd5Python\u4ee3\u7801\u53ef\u4ee5\u901a\u8fc7\u51e0\u79cd\u65b9\u5f0f\u8fdb\u884c\u3002\u4f7f\u7528\u5185\u7f6e\u7684print()<\/code>\u51fd\u6570\u53ef\u4ee5\u5e2e\u52a9\u60a8\u67e5\u770b\u53d8\u91cf\u503c\u548c\u7a0b\u5e8f\u6d41\u7a0b\u3002\u6b64\u5916\uff0cPython\u8fd8\u63d0\u4f9b\u4e86pdb<\/code>\u8c03\u8bd5\u5668\uff0c\u5141\u8bb8\u60a8\u9010\u6b65\u6267\u884c\u4ee3\u7801\u5e76\u68c0\u67e5\u72b6\u6001\u3002\u96c6\u6210\u5f00\u53d1\u73af\u5883\uff08IDE\uff09\u5982PyCharm\u6216VS Code\u4e5f\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u8c03\u8bd5\u5de5\u5177\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u65ad\u70b9\u5e76\u9010\u884c\u68c0\u67e5\u4ee3\u7801\u6267\u884c\u60c5\u51b5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u5199\u597d\u7684\u4ee3\u7801\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u4f7f\u7528\uff1a\u76f4\u63a5\u8fd0\u884c\u811a\u672c\u3001\u5bfc\u5165\u6a21\u5757\u3001\u4f7f\u7528\u865a\u62df\u73af\u5883\u3001\u901a\u8fc7\u547d\u4ee4\u884c\u53c2\u6570\u4f20\u9012\u3001\u7ed3\u5408 […]","protected":false},"author":3,"featured_media":1164576,"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\/1164571"}],"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=1164571"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1164571\/revisions"}],"predecessor-version":[{"id":1164577,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1164571\/revisions\/1164577"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1164576"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1164571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1164571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1164571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}