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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 oh_my_zsh_auto_title():
 """Give warning and offer to fix ``DISABLE_AUTO_TITLE``. see: https://github.com/robbyrussell/oh-my-zsh/pull/257 """


    if 'SHELL' in os.environ and 'zsh' in os.environ.get('SHELL'):
        if os.path.exists(os.path.expanduser('~/.oh-my-zsh')):
            # oh-my-zsh exists
            if (
                'DISABLE_AUTO_TITLE' not in os.environ
                or os.environ.get('DISABLE_AUTO_TITLE') == "false"
            ):
                print(
                    'Please set:\n\n'
                    '\texport DISABLE_AUTO_TITLE=\'true\'\n\n'
                    'in ~/.zshrc or where your zsh profile is stored.\n'
                    'Remember the "export" at the beginning!\n\n'
                    'Then create a new shell or type:\n\n'
                    '\t$ source ~/.zshrc'
                )