import shapefile

sh = shapefile.Reader("countries/ne_10m_admin_0_countries.shp")
country_index = -1

for i in range(len(sh)):
    if sh.record(i).as_dict()['NAME_EN'] == "Bolivia":
        country_index = i
        break

shape = sh.shape(country_index)
for point in shape.points:
    print(point[0], point[1])