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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_password(self, description='', confirm=False, clear=False):
 """Get the password from a Glances client or server. For Glances server, get the password (confirm=True, clear=False):
 1) from the password file (if it exists) 2) from the CLI Optionally: save the password to a file (hashed with salt + SHA-256) For Glances client, get the password (confirm=False, clear=True):
 1) from the CLI 2) the password is hashed with SHA-256 (only SHA string transit through the network) """

        if os.path.exists(self.password_file) and not clear:
            # If the password file exist then use it
            logger.info("Read password from file {}".format(self.password_file))
            password = self.load_password()
        else:
            # password_sha256 is the plain SHA-256 password
            # password_hashed is the salt + SHA-256 password
            password_sha256 = self.sha256_hash(getpass.getpass(description))
            password_hashed = self.hash_password(password_sha256)
            if confirm:
                # password_confirm is the clear password (only used to compare)
                password_confirm = self.sha256_hash(getpass.getpass('Password (confirm): '))

                if not self.check_password(password_hashed, password_confirm):
                    logger.critical("Sorry, passwords do not match. Exit.")
                    sys.exit(1)

            # Return the plain SHA-256 or the salted password
            if clear:
                password = password_sha256
            else:
                password = password_hashed

            # Save the hashed password to the password file
            if not clear:
                save_input = input('Do you want to save the password? [Yes/No]: ')
                if len(save_input) > 0 and save_input[0].upper() == 'Y':
                    self.save_password(password_hashed)

        return password