They’re not running Rust they’re running machine code compiled with the Rust compiler. Like many other Python libraries such as numpy are running machine code compiled with C++, C or Fortran. That was always the case for Python and is its main selling point, it’s a slow but easy to write glue language that can make faster native code scriptable.
Also the article reeks of AI slop, it’s just trying to sell you a Rust course.
Also the article reeks of AI slop, it’s just trying to sell you a Rust course.