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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 configure_shellwidget(self, give_focus=True):

 """Configure shellwidget after kernel is started"""

        if give_focus:
            self.get_control().setFocus()

        # Set exit callback
        self.shellwidget.set_exit_callback()

        # To save history
        self.shellwidget.executing.connect(self.add_to_history)

        # For Mayavi to run correctly
        self.shellwidget.executing.connect(
            self.shellwidget.set_backend_for_mayavi)

        # To update history after execution
        self.shellwidget.executed.connect(self.update_history)

        # To update the Variable Explorer after execution
        self.shellwidget.executed.connect(
            self.shellwidget.refresh_namespacebrowser)

        # To enable the stop button when executing a process
        self.shellwidget.executing.connect(self.enable_stop_button)

        # To disable the stop button after execution stopped
        self.shellwidget.executed.connect(self.disable_stop_button)

        # To show kernel restarted/died messages
        self.shellwidget.sig_kernel_restarted.connect(
            self.kernel_restarted_message)

        # To correctly change Matplotlib backend interactively
        self.shellwidget.executing.connect(
            self.shellwidget.change_mpl_backend)

        # To show env and sys.path contents
        self.shellwidget.sig_show_syspath.connect(self.show_syspath)
        self.shellwidget.sig_show_env.connect(self.show_env)

        # To sync with working directory toolbar
        self.shellwidget.executed.connect(self.shellwidget.get_cwd)

        # To apply style
        self.set_color_scheme(self.shellwidget.syntax_style, reset=False)

        # To hide the loading page
        self.shellwidget.sig_prompt_ready.connect(self._hide_loading_page)

        # Show possible errors when setting Matplotlib backend
        self.shellwidget.sig_prompt_ready.connect(
            self._show_mpl_backend_errors)