What made you move away from Python to another language such as Go/Rust/C#/etc..?

For the coders in this forum who code in Python and moved most of their work to another language, I'm curious what was your reasoning?

* Personal choice (if so, what about Python or the new language made you shift your focus?)
* Because of work (if so, why?)
* Free time, and I want to learn a new skill?

Reasons why I ask:

* Honestly, programming languages interest me, and why/when people change their preference is also interesting.
* …

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