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Refer to the exhibit.
A developer just finished testing a Python script and wants to save the list of packages and versions installed on the current machine. The developer must make sure that it will not cause any issues if tested on another device due to different library versions. Which line of code needs to be placed on the snippet where the code is missing?
The pip freeze command is used to output installed packages in the current environment and their versions. The > operator redirects this output to a file, in this case, requirements.txt.
pip freeze: Outputs the list of installed packages and their versions.
Redirection: The > operator is used to redirect the output to a file.
Option B is correct as it uses the > operator to redirect the output of pip freeze to requirements.txt.