Why is there no xrange function in Python3? Question: Recently I started using Python3 and it’s lack of xrange hurts. Simple example: Python2: from time import time as t def count(): st = t() [x for x in xrange(10000000) if x%4 == 0] et = t() print et-st count() Python3: from time import time as …
What's the difference on docstrings with triple SINGLE quotes and triple DOUBLE quotes? Question: I was just wondering what is the difference between two ways of writing Python Docstrings (__doc__): three single quotes: ”’ Comment goes here ”’ three double quotes: “”” Comment goes here “”” Is there any subtle difference in the way doc …
Better to 'try' something and catch the exception or test if it's possible first to avoid an exception? Question: Should I test if something is valid or just try to do it and catch the exception? Is there any solid documentation saying that one way is preferred? Is one way more pythonic? For example, should …
Which PEP's are must reads? Question: I’m a fairly strong Python coder, but too much of my style is a little haphazard, and I’m sure there are more Pythonic solutions to many problems than the ones I come up with. Which PEPs are essential for any well versed Pythonista to read? Asked By: Michael Fairley …
What's the function like sum() but for multiplication? product()? Question: Python’s sum() function returns the sum of numbers in an iterable. sum([3,4,5]) == 3 + 4 + 5 == 12 I’m looking for the function that returns the product instead. somelib.somefunc([3,4,5]) == 3 * 4 * 5 == 60 I’m pretty sure such a function …
