Python is long on convenience and programmer-friendly, but it isn’t the fastest programming language around. Some of Python's speed limitations are due to its default implementation, CPython, being single-threaded. That is, CPython doesn’t use more than one hardware thread at a time.
And while you can use Python's built-in threading module to speed things up, threading only gives you concurrency, not parallelism. It’s good for running multiple tasks that aren’t CPU-dependent, but does nothing to speed up multiple …