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What does os.getlogin() return?

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What does os.getlogin() return?

(a) name of the current user logged in

(b) name of the superuser

(c) gets a form to login as a different user

(d) all of the mentioned

I have been asked this question by my school teacher while I was bunking the class.

I'd like to ask this question from Operating System in section Mapping Functions and Modules of Python

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The correct choice is (a) name of the current user logged in

Explanation: It returns the name of the user who is currently logged in and is running the script.

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