fn main() {
let handles = (
std::thread::spawn(||{pycall::plot!(&vec![0,1,2,3,2,1,0])}),
std::thread::spawn(||{pycall::plot!(&vec![-3,-2,-1,3,4,5,6], &vec![0,1,2,3,2,1,0])}),
std::thread::spawn(||{pycall::plot!(&vec![0,1,2,3,4,5,6], &vec![0,1,2,3,2,1,0], "+")}),
);
handles.0.join();
handles.1.join();
handles.2.join();
}