関連ワード:  average lifespan of a python    what is the lifespan of a python    average age of a python    what is the lifespan of a python snake    average lifespan of a ball python    average lifespan of a ball python in captivity    average lifespan of a burmese python    average lifespan of a royal python    average lifespan of a diamond python    average lifespan of a reticulated python