So I have a list that I want to number using enumerate(), then have the user choose an item from the list using the corresponding number. Is there a way to do this? (This is broken code but hopefully, you get an idea of what I want to do) Answer It’s always a good idea to validate user input –
Tag: enumerate
Python: Enumeration based on an enumerated list
I have several vertexes that compose two triangles. Vertexes: Triangles: Now I need to export this data to a .txt file, to have the following output composed by two different parts: The first part was easy, as I only needed to enumerate each vertex based on the aforementioned list. The problem is with the second part, as I need to
How to iterate over azure.core.paging.ItemPaged?
I have an iterator object <iterator object azure.core.paging.ItemPaged at 0x7fdb309c02b0>. When I iterate over it for a first time (see code below), it prints the results. However, when I execute this code a second time, it prints nothing. What is wrong in my code? Do I need to somehow reset the enumerator? Answer This is the default behavior of the
How can I limit iterations of a loop?
Say I have a list of items, and I want to iterate over the first few of it: Naive implementation The Python naïf coming from other languages would probably write this perfectly serviceable and performant (if unidiomatic) code: More idiomatic implementation But Python has enumerate, which subsumes about half of that code nicely: So we’ve about cut the extra code
Easiest way to include a stop parameter in enumerate python?
Ss there a simple way to iterate over an iterable object that allows the specification of an end point, say -1, as well as the start point in enumerate. e.g. So if my object has a length of 10, what is the simplest way to to get it to start iterating at index 2 and stop iterating at index 9?
Python’s enumerate in Ruby?
Is something built in for this? It doesn’t need to have it’s members immutable, it just needs to be in the standard library. I don’t want to be the guy who subclasses the Array class to add a Python feature to a project. Does it have a different name in Ruby? Answer Something like this in Python: becomes this in
Is enumerate in python lazy?
I’d like to know what happens when I pass the result of a generator function to python’s enumerate(). Example: Is the enumeration iterated lazily, or does it slurp everything into the <enumerate object> first? I’m 99.999% sure it’s lazy, so can I treat it exactly the same as the generator function, or do I need to watch out for anything?