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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 create_prj_browser(self, ):
 """Create the project browser This creates a combobox brower for projects and adds it to the ui :returns: the created combo box browser :rtype: :class:`jukeboxcore.gui.widgets.browser.ComboBoxBrowser` :raises: None """

        prjbrws = ComboBoxBrowser(1, headers=['Project:'])
        self.central_vbox.insertWidget(0, prjbrws)
        return prjbrws