Yurttas/PL/SL/python/docs/core-python-programming/doc/16/lib/module-getpass.html
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6.10 getpass -- Portable password input
The getpass module provides two functions:
- getpass ([prompt])
- Prompt the user for a password without echoing. The user is prompted using the string prompt, which defaults to
'Password: '. Availability: Macintosh, Unix, Windows.
- getuser ()
- Return the ``login name'' of the user. Availability: Unix, Windows. This function checks the environment variables $LOGNAME, $USER, $LNAME and $USERNAME, in order, and returns the value of the first one which is set to a non-empty string. If none are set, the login name from the password database is returned on systems which support the pwd module, otherwise, an exception is raised.