36
votes
2answers
4k views

How do I move away from the “for-loop” school of thought?

This is a rather conceptual question, but I was hoping I could get some good advice on this. A lot of the programming I do is with (NumPy) arrays; I often have to match items in two or more arrays ...
0
votes
1answer
88 views

Python case statement? [duplicate]

I made a simple Python script that takes user input in order to generate a series of mathematical responses. In one part I did this: while True: And iterated through the loop until I used an if ...
4
votes
1answer
352 views

Will loop constructs become obsolete? [closed]

By loop constructs I mean for… and while… constructs with nested statements. Currently I am coding a tool in Python and decided out of curiosity not to use the regular loops - and rely on ...
0
votes
1answer
84 views

Code execution within delimiters

Is there any way I can execute a block of code in a loop, like so: [ some code goes here ] Where the delimiters are "[" and "]", and also allowing for nested blocks, i.e.: [the user can create ...
4
votes
1answer
1k views

Loop Invariants in Python

I have a bit of experience with loop invariants but I'm not really clear on them. I'm trying to learn them through an example in Python. Can someone point one out or help me understand? I've ...