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Why dont Python sets preserve insertion order? - Stack Overflow Do the same efficiency improvements that led the Python team to change the dict implementation not apply to sets as well? I'm not looking for pointers to ordered-set implementations or ways to use dicts as stand-ins for sets I'm just wondering why the Python team didn't make built-in sets preserve order at the same time they did so for dicts
How do python Set Comprehensions work? - Stack Overflow Q1 - Is the following a set() of a generator expression or a set comprehension? (Or are they same? If so, are list amp; dict comprehensions also corresponding type-cast on generators?) my_set = {
How to set environment variables in Python? - Stack Overflow I need to set some environment variables in the Python script and I want all the other scripts that are called from Python to see the environment variables' set If I do, os environ[ quot;DEBUSSY q
Understanding __get__ and __set__ and Python descriptors Most users of Python need to learn only the high-level usage of descriptors, and have no need to learn or understand the implementation of descriptors further But understanding how descriptors work can give one greater confidence in one's mastery of Python In Depth: What Are Descriptors?
Set MultiIndex of an existing DataFrame in pandas Can I use set_idex to create a multiindex using tuples stores in one of the columns of the dataframe? Or do I have to (1) construct and assign a multiindex using pd Multiindex from_tuples(); and then (2) drop the column from the dataframe?