Why does random.shuffle return None?
Why is random.shuffle returning None in Python?
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Python recursion with list returns None
def foo(a): a.append(1) if len(a) > 10: print a return a else: foo(a) Why this recursive function returns None (see transcript below)? I can’t quite understand what I am doing wrong. In [263]: x = [] In [264]: y = foo(x) [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] In [265]: print … Read more
Create nice column output in python
I am trying to create a nice column list in python for use with commandline admin tools which I create.
Slicing a list in Python without generating a copy
I have the following problem.
How would you make a comma-separated string from a list of strings?
What would be your preferred way to concatenate strings from a sequence such that between every two consecutive pairs a comma is added. That is, how do you map, for instance, ['a', 'b', 'c'] to 'a,b,c'? (The cases ['s'] and [] should be mapped to 's' and '', respectively.)
How Big can a Python List Get?
In Python, how big can a list get? I need a list of about 12000 elements. Will I still be able to run list methods such as sorting, etc?
Compute list difference
In Python, what is the best way to compute the difference between two lists?
Python append() vs. + operator on lists, why do these give different results?
Why do these two operations (append() resp. +) give different results?
Concatenating two lists – difference between ‘+=’ and extend()
I’ve seen there are actually two (maybe more) ways to concatenate lists in Python:
Removing Item From List – during iteration – what’s wrong with this idiom?
As an experiment, I did this: