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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 init_breadcrumbs(self):
 """Insert the first element in breadcrumbs. This happens during `request_started` event, which is triggered before any url_value_preprocessor and `before_request` handlers. """

        g.breadcrumb.append(BreadcrumbItem(icon="home", url="/" + request.script_root))