{"id":999753,"date":"2024-12-27T09:44:09","date_gmt":"2024-12-27T01:44:09","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/999753.html"},"modified":"2024-12-27T09:44:12","modified_gmt":"2024-12-27T01:44:12","slug":"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8bpython%e4%bb%a3%e7%a0%81%e7%bb%93%e6%9e%9c","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/999753.html","title":{"rendered":"\u5982\u4f55\u67e5\u770bpython\u4ee3\u7801\u7ed3\u679c"},"content":{"rendered":"

\"\u5982\u4f55\u67e5\u770bpython\u4ee3\u7801\u7ed3\u679c\"<\/p>\n

\u67e5\u770bPython\u4ee3\u7801\u7ed3\u679c\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528print()\u51fd\u6570\u8f93\u51fa\u3001\u901a\u8fc7\u4ea4\u4e92\u5f0f\u73af\u5883\u67e5\u770b\u3001\u4f7f\u7528\u65e5\u5fd7\u8bb0\u5f55\u8f93\u51fa\u3001\u4f7f\u7528\u8c03\u8bd5\u5de5\u5177\u67e5\u770b\u3002<\/strong> <\/p>\n<\/p>\n

\u5728Python\u7f16\u7a0b\u4e2d\uff0c\u67e5\u770b\u4ee3\u7801\u7ed3\u679c\u662f\u5f00\u53d1\u548c\u8c03\u8bd5\u8fc7\u7a0b\u4e2d\u5fc5\u4e0d\u53ef\u5c11\u7684\u4e00\u90e8\u5206\u3002\u9996\u5148\uff0c\u4f7f\u7528print()<\/code>\u51fd\u6570\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u63a7\u5236\u53f0\u8f93\u51fa\u53d8\u91cf\u503c\u6216\u8005\u8868\u8fbe\u5f0f\u7ed3\u679c\u3002\u5176\u6b21\uff0c\u5728\u4ea4\u4e92\u5f0f\u73af\u5883\u5982Jupyter Notebook\u4e2d\uff0c\u53ef\u4ee5\u76f4\u63a5\u67e5\u770b\u4ee3\u7801\u6267\u884c\u7ed3\u679c\uff0c\u975e\u5e38\u9002\u5408\u6570\u636e\u5206\u6790\u548c\u673a\u5668\u5b66\u4e60<\/a>\u3002\u7b2c\u4e09\uff0c\u65e5\u5fd7\u8bb0\u5f55\u662f\u5927\u578b\u7a0b\u5e8f\u4e2d\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u901a\u8fc7logging<\/code>\u6a21\u5757\u53ef\u4ee5\u8bb0\u5f55\u7a0b\u5e8f\u8fd0\u884c\u7684\u4fe1\u606f\uff0c\u5e76\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d\u3002\u6700\u540e\uff0c\u4f7f\u7528\u8c03\u8bd5\u5de5\u5177\u5982PDB\u3001PyCharm\u6216VSCode\u7684\u8c03\u8bd5\u529f\u80fd\uff0c\u53ef\u4ee5\u9010\u884c\u67e5\u770b\u4ee3\u7801\u6267\u884c\u60c5\u51b5\uff0c\u5e2e\u52a9\u627e\u51fa\u95ee\u9898\u6240\u5728\u3002<\/p>\n<\/p>\n

\u4e00\u3001PRINT()\u51fd\u6570\u7684\u4f7f\u7528 <\/p>\n<\/p>\n

print()<\/code>\u51fd\u6570\u5728Python\u4e2d\u662f\u6700\u57fa\u7840\u7684\u8f93\u51fa\u65b9\u5f0f\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7\u5728\u4ee3\u7801\u4e2d\u63d2\u5165print()<\/code>\u8bed\u53e5\uff0c\u5c06\u53d8\u91cf\u7684\u503c\u548c\u7a0b\u5e8f\u7684\u6267\u884c\u72b6\u6001\u8f93\u51fa\u5230\u63a7\u5236\u53f0\uff0c\u4ee5\u4fbf\u5b9e\u65f6\u89c2\u5bdf\u7a0b\u5e8f\u7684\u8fd0\u884c\u60c5\u51b5\u3002 <\/p>\n<\/p>\n

    \n
  1. \n

    \u57fa\u7840\u7528\u6cd5<\/strong>
    print()<\/code>\u51fd\u6570\u53ef\u4ee5\u8f93\u51fa\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u3001\u53d8\u91cf\u548c\u8868\u8fbe\u5f0f\u7684\u7ed3\u679c\u3002\u4f8b\u5982\uff1a <\/p>\n<\/p>\n

    name = "Alice"<\/p>\n
    age = 30<\/p>\n
    print("Name:", name)<\/p>\n
    print("Age:", age)<\/p>\n
    print("Sum:", 5 + 3)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n
    Name: Alice<\/p>\n
    Age: 30<\/p>\n
    Sum: 8<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n
  2. \n
    \u683c\u5f0f\u5316\u8f93\u51fa<\/strong>
    \u4e3a\u4e86\u8f93\u51fa\u66f4\u590d\u6742\u7684\u4fe1\u606f\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\uff0c\u5982\u4f7f\u7528f-strings\u3001format()\u65b9\u6cd5\u548c\u65e7\u5f0f\u7684\u767e\u5206\u53f7\u683c\u5f0f\u5316\uff1a  <\/p>\n<\/p>\n
    # Using f-strings<\/p>\n
    print(f"Name: {name}, Age: {age}")<\/p>\n
    Using format() method<\/strong><\/h2>\n
    print("Name: {}, Age: {}".format(name, age))<\/p>\n
    Using % formatting<\/strong><\/h2>\n
    print("Name: %s, Age: %d" % (name, age))<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
    \u4e8c\u3001\u4ea4\u4e92\u5f0f\u73af\u5883\u67e5\u770b  <\/p>\n<\/p>\n
    \u4ea4\u4e92\u5f0f\u73af\u5883\u5982IPython\u548cJupyter Notebook\u63d0\u4f9b\u4e86\u66f4\u65b9\u4fbf\u7684\u65b9\u5f0f\u6765\u67e5\u770b\u4ee3\u7801\u7ed3\u679c\uff0c\u5c24\u5176\u5728\u6570\u636e\u5206\u6790\u548c\u79d1\u5b66\u8ba1\u7b97\u4e2d\u5341\u5206\u6709\u7528\u3002  <\/p>\n<\/p>\n
      \n
    1. \n
      IPython<\/strong>
      IPython\u662f\u4e00\u4e2a\u589e\u5f3a\u7684Python shell\uff0c\u5141\u8bb8\u7528\u6237\u76f4\u63a5\u8f93\u5165Python\u4ee3\u7801\u5e76\u67e5\u770b\u7ed3\u679c\u3002\u5b83\u652f\u6301\u547d\u4ee4\u5386\u53f2\u3001\u81ea\u52a8\u8865\u5168\u4ee5\u53ca\u5185\u7f6e\u7684\u9b54\u672f\u547d\u4ee4\u3002  <\/p>\n<\/p>\n
      # Example in IPython<\/p>\n
      In [1]: x = 10<\/p>\n
      In [2]: x * 2<\/p>\n
      Out[2]: 20<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n
    2. \n
      Jupyter Notebook<\/strong>
      Jupyter Notebook\u662f\u4e00\u4e2a\u57fa\u4e8e\u6d4f\u89c8\u5668\u7684\u5e94\u7528\uff0c\u652f\u6301\u5728\u5355\u4e2a\u6587\u6863\u4e2d\u6df7\u5408\u4ee3\u7801\u3001\u6587\u672c\u3001\u56fe\u50cf\u548c\u56fe\u8868\u3002\u6bcf\u4e2a\u4ee3\u7801\u5355\u5143\u683c\u53ef\u4ee5\u72ec\u7acb\u6267\u884c\uff0c\u7ed3\u679c\u4f1a\u663e\u793a\u5728\u5176\u4e0b\u65b9\u3002  <\/p>\n<\/p>\n
      # Example in Jupyter Notebook<\/p>\n
      import matplotlib.pyplot as plt<\/p>\n
      x = [1, 2, 3, 4]<\/p>\n
      y = [10, 20, 25, 30]<\/p>\n
      plt.plot(x, y)<\/p>\n
      plt.show()<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
      \u4e09\u3001\u4f7f\u7528\u65e5\u5fd7\u8bb0\u5f55\u8f93\u51fa  <\/p>\n<\/p>\n
      \u65e5\u5fd7\u8bb0\u5f55\u662f\u5927\u578b\u9879\u76ee\u4e2d\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u901a\u8fc7\u8bb0\u5f55\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u7684\u91cd\u8981\u4fe1\u606f\uff0c\u53ef\u4ee5\u5728\u540e\u671f\u5206\u6790\u7a0b\u5e8f\u7684\u884c\u4e3a\u548c\u5b9a\u4f4d\u95ee\u9898\u3002  <\/p>\n<\/p>\n
        \n
      1. \n
        logging\u6a21\u5757<\/strong>
        Python\u6807\u51c6\u5e93\u7684logging<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u65e5\u5fd7\u8bb0\u5f55\u529f\u80fd\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u8bbe\u7f6e\u4e0d\u540c\u7684\u65e5\u5fd7\u7ea7\u522b\uff0c\u5982DEBUG\u3001INFO\u3001WARNING\u3001ERROR\u548cCRITICAL\uff0c\u4ee5\u63a7\u5236\u8f93\u51fa\u7684\u8be6\u7ec6\u7a0b\u5ea6\u3002  <\/p>\n<\/p>\n
        import logging<\/p>\n
        logging.basicConfig(level=logging.INFO)<\/p>\n
        logging.info("This is an info message")<\/p>\n
        logging.debug("This is a debug message")<\/p>\n
        logging.error("This is an error message")<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n
      2. \n
        \u65e5\u5fd7\u683c\u5f0f\u5316\u548c\u8f93\u51fa<\/strong>
        \u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u65e5\u5fd7\u8bb0\u5f55\u5668\u3001\u5904\u7406\u5668\u548c\u683c\u5f0f\u5668\uff0c\u5b9a\u5236\u65e5\u5fd7\u7684\u8f93\u51fa\u683c\u5f0f\u548c\u76ee\u6807\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c06\u65e5\u5fd7\u8f93\u51fa\u5230\u6587\u4ef6\u4e2d\u4ee5\u8fdb\u884c\u957f\u671f\u4fdd\u5b58\u3002  <\/p>\n<\/p>\n
        # Configuring logging to output to a file<\/p>\n
        logging.basicConfig(filename='app.log', filemode='w', format='%(name)s - %(levelname)s - %(message)s')<\/p>\n
        logging.warning('This will get logged to a file')<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
        \u56db\u3001\u4f7f\u7528\u8c03\u8bd5\u5de5\u5177\u67e5\u770b  <\/p>\n<\/p>\n
        \u8c03\u8bd5\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u9010\u884c\u67e5\u770b\u4ee3\u7801\u7684\u6267\u884c\u60c5\u51b5\uff0c\u68c0\u67e5\u53d8\u91cf\u7684\u503c\u548c\u7a0b\u5e8f\u7684\u6d41\u5411\uff0c\u4ece\u800c\u66f4\u6709\u6548\u5730\u627e\u5230\u5e76\u4fee\u590d\u95ee\u9898\u3002  <\/p>\n<\/p>\n
          \n
        1. \n
          PDB\u8c03\u8bd5\u5668<\/strong>
          PDB\u662fPython\u5185\u7f6e\u7684\u8c03\u8bd5\u5668\uff0c\u53ef\u4ee5\u901a\u8fc7\u5728\u4ee3\u7801\u4e2d\u63d2\u5165import pdb; pdb.set_trace()<\/code>\u6765\u542f\u52a8\u3002\u5b83\u63d0\u4f9b\u4e86\u57fa\u672c\u7684\u8c03\u8bd5\u547d\u4ee4\uff0c\u5982\u67e5\u770b\u53d8\u91cf\u503c\u3001\u5355\u6b65\u6267\u884c\u7b49\u3002  <\/p>\n<\/p>\n
          # Example of using PDB<\/p>\n
          def add(a, b):<\/p>\n
              import pdb; pdb.set_trace()<\/p>\n
              return a + b<\/p>\n
          add(3, 4)<\/p>\n
          <\/code><\/pre>\n<\/p>\n<\/li>\n
        2. \n
          \u96c6\u6210\u5f00\u53d1\u73af\u5883\uff08IDE\uff09\u8c03\u8bd5\u5de5\u5177<\/strong>
          \u8bb8\u591aIDE\uff0c\u5982PyCharm\u548cVSCode\uff0c\u63d0\u4f9b\u4e86\u56fe\u5f62\u5316\u7684\u8c03\u8bd5\u529f\u80fd\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u8bbe\u7f6e\u65ad\u70b9\u3001\u67e5\u770b\u53d8\u91cf\u503c\u3001\u6267\u884c\u4ee3\u7801\u7247\u6bb5\u7b49\uff0c\u4ee5\u4fbf\u66f4\u76f4\u89c2\u5730\u8c03\u8bd5\u7a0b\u5e8f\u3002  <\/p>\n<\/p>\n