One way to speed up your Python programs is to write modules in the Zig language and ... to multiply two 64-bit integers: const std = @import("std"); export fn mult(a: i64, b: i64) i64 { return ...

The following sample program reads lines from a text file into a list ... my_file] You could write such a thing as a formal for… loop in Python, much as you would in another language.