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Before python crawler gets web resources, networking is a must. When used as the most commonly used reauests package in python, you may encounter the following problems:

Troubleshooting steps:

(1) pip list Check whether the requests package is installed

pip list

You can display currently installed third-party modules and pip version numbers.

The above indicates that the requests package has been installed. If it is not installed, skip to step 2. If it is installed, skip to step 3.

(2) Install the request package

pip install requests

Then you can verify it again via pip list.

(3) In the.vscode directory of the current project, modify the settings.json file.

"python.analysis.extraPaths": [ "./ py_src"]

Will.../ py_src replaced by the installation path.

The path can be found on the cmd command line using the where python directive, and in lib>site-packages, find requests.

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