What is the difference between range and xrange functions in Python 2.X?
Apparently xrange is faster but I have no idea why it’s faster (and no proof besides the anecdotal so far that it is faster) or what besides that is different about
loops
Iterate through pairs of items in a Python list
Is it possible to iterate a list in the following way in Python (treat this code as pseudocode)? a = [5, 7, 11, 4, 5] for v, w in a: print [v, w] And it should produce [5, 7] [7, 11] [11, 4] [4, 5] Answers: Thank you for visiting the Q&A section on Magenaut. … Read more
Breaking out of nested loops
Is there an easier way to break out of nested loops than throwing an exception? (In Perl, you can give labels to each loop and at least continue an outer loop.) for x in range(10): for y in range(10): print x*y if x*y > 50: "break both loops" I.e., is there a nicer way than: … Read more
Removing Item From List – during iteration – what’s wrong with this idiom?
As an experiment, I did this:
How to avoid “RuntimeError: dictionary changed size during iteration” error?
I have checked all of the other questions with the same error yet found no helpful solution =/
Pygame clock and event loops
i am new to pygame and i was wondering what an event loop is and what clock does in this situation, like what is clock.tick(60)? I don’t understand any explanations online
Traverse a list in reverse order in Python
So I can start from collection[len(collection)-1] and end in collection[0].
Loop that also accesses previous and next values
How can I iterate over a list of objects, accessing the previous, current, and next items? Like this C/C++ code, in Python?
Is it possible to implement a Python for range loop without an iterator variable?
Is it possible to do following without the i?
Loop backwards using indices
I am trying to loop from 100 to 0. How do I do this in Python?