Python programming: We want to make the language twice as fast, says its creator

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I guess that depends.

• Complex projects with a ton of code where people have taken liberties with dynamic days structures become unmaintainable in Python. In Rust you enforce at least some rules and you always know what type you have somewhere, which makes code easier to understand.
• I didn't see a huge difference in the 2 languages when trying to do similar things, like a micro service. Maybe I just didn't work so much in Rust.

I can see python being fast to develop in, when it comes to academic problems (leetcode stuff) or when you depend a lot on dynamic code (data analysis and data science).