pip install options in requirements txt

For example:
This command reads the file and installs the specified packages and their versions.
You can use comparison operators to specify version ranges for your dependencies. For example:
This ensures that the installed version of numpy is greater than or equal to 1.20.0 but less than 2.0.0.
To upgrade packages to their latest versions, you can use the --upgrade flag:
This updates the requests package to the latest available version.
You can install packages directly from version control repositories (e.g., Git) by specifying the repository URL:
This installs the example-package directly from the master branch of the specified Git repository.
If you have a local copy of a package, you can install it using the -e option:
This allows you to work on the package locally while still treating it as an editable installation.
This installs the requests package with extra security features.
To exclude certain packages from installation, you can use the -e flag with the # symbol:
This ignores the installation of requests but installs flask.
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