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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 shell(no_ipython):
 """Start a new interactive python session."""

    banner = "Interactive Werkzeug Shell"
    namespace = make_shell()
    if not no_ipython:
        try:
            try:
                from IPython.frontend.terminal.embed import InteractiveShellEmbed

                sh = InteractiveShellEmbed.instance(banner1=banner)
            except ImportError:
                from IPython.Shell import IPShellEmbed

                sh = IPShellEmbed(banner=banner)
        except ImportError:
            pass
        else:
            sh(local_ns=namespace)
            return
    from code import interact

    interact(banner, local=namespace)