How to download third-party libraries in python

To use pip to install Python third-party libraries, please perform the following steps: If pip is not installed, please use the "python3 -m ensurepip --upgrade" command to install it. Use the "pip install " command to install the library. To install a specific version, specify the version number: "pip install ==". To install a native library, use the "-e" option: "pip install -e ". To uninstall the library, use "pip uninstall

Install Python third-party libraries using pip

Install pip

Normally, pip has been automatically installed during Python installation. If pip is not installed, please use the following command:

<code>python3 -m ensurepip --upgrade</code>

Use pip to install third-party libraries

Use pip to install third-party libraries, Just enter the following command at the command line:

<code>pip install </code>

For example, to install the NumPy library:

<code>pip install numpy</code>

Install a specific version of the library

To install a specific version of the library, Specify the version number in the command:

<code>pip install ==</code>

For example, to install version 1.22.0 of NumPy:

<code>pip install numpy==1.22.0</code>

Install the local library

To install the local library, use -e Options:

<code>pip install -e </code>

For example, to install the my_library library in the current directory:

<code>pip install -e ./my_library</code>

Uninstall the library

To uninstall the library, Please use the uninstall command:

<code>pip uninstall </code>

For example, to uninstall NumPy:

<code>pip uninstall numpy</code>

Other installation methods

In addition to pip, there are other libraries Installation method, for example:

• conda: conda is a package and environment management system for Python and other languages.
• easy_install: easy_install is the predecessor of pip, but can still be used to install libraries.
• setuptools: setuptools is a toolkit for creating and installing packages in Python.

Please note that it is recommended to use pip as the main tool for installing Python third-party libraries.

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