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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 main_view(request, ident, stateless=False, cache_id=None, **kwargs):
    'Main view for a dash app'
    _, app = DashApp.locate_item(ident, stateless, cache_id=cache_id)

    view_func = app.locate_endpoint_function()
    resp = view_func()
    return HttpResponse(resp)