I am impressed with the very fast list comprehension in PyPy 7.3.1. Thanks to all the contributors. In the competitive programming world, list comprehension, recursive functions, and string concatenation were known as three slow problems of PyPy, but one of them has been broken.

I am impressed with the very fast list comprehension in PyPy 7.3.1. Thanks to all the contributors. In the competitive programming world, list comprehension, recursive functions, and string concatenation were known as three slow problems of PyPy, but one of them has been broken.