Python, Concurrency, Parallelism, Multiprocessing, Asynchronous.
threads were run Started: Payment Started: Confirmation Started: Mail #payments were started and others waited Payment: Mon Sep 26 18:38:39 2022 5 Payment: Mon Sep 26 18:38:40 2022 4 Payment: Mon Sep 26 18:38:41 2022 3 Payment: Mon Sep 26 18:38:42 2022 2 Payment: Mon Sep 26 18:38:43 2022 1 Exit: