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pip3:tldr:20853
The command "pip3 install ${package_name}==${package_version}" is used to install a Python package using the pip package manager. Here's an explanation of each part:
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"pip3" is the command-line program that is used to interact with the pip package manager. It is typically used for installing and managing Python packages.
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"install" is the command used to tell pip to install a package.
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"${package_name}" is a placeholder for the name of the package that you want to install. You would replace "${package_name}" with the actual name of the package you want to install. For example, if you want to install the requests package, you would replace "${package_name}" with "requests".
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"==" is used to specify a particular version of the package. It is followed by "${package_version}", which is a placeholder for the version number you want to install. You would replace "${package_version}" with the actual version number you want to install. For example, if you want to install version 2.25.1 of the requests package, you would replace "${package_version}" with "2.25.1".
By running this command with the appropriate package name and version, you can install a specific version of a Python package.