Python: list of lists - Stack Overflow
First, I strongly recommend that you rename your variable list to something else. list is the name of the built-in list constructor, and you're hiding its normal function. I will rename list to a in the following. …
python - Why does += behave unexpectedly on lists? - Stack Overflow
177 The += operator in python seems to be operating unexpectedly on lists. Can anyone tell me what is going on here?
Difference between del, remove, and pop on lists in Python
Difference between del, remove, and pop on lists in Python Asked 13 years, 7 months ago Modified 1 year, 11 months ago Viewed 2.1m times
What are the advantages of NumPy over regular Python lists?
NumPy's arrays are more compact than Python lists -- a list of lists as you describe, in Python, would take at least 20 MB or so, while a NumPy 3D array with single-precision floats in the cells would fit in …
Meaning of list[-1] in Python - Stack Overflow
I have a piece of code here that is supposed to return the least common element in a list of elements, ordered by commonality: def getSingle(arr): from collections import Counter c = Counte...
slice - How slicing in Python works - Stack Overflow
The colon, :, is what tells Python you're giving it a slice and not a regular index. That's why the idiomatic way of making a shallow copy of lists in Python 2 is
python - Element-wise addition of 2 lists? - Stack Overflow
Sep 10, 2013 · 6 This will work for 2 or more lists; iterating through the list of lists, but using numpy addition to deal with elements of each list
python - Removing duplicates in lists - Stack Overflow
Nov 1, 2011 · In fact, despite the title "Python removing duplicates in lists", it doesn't seem like OP wanted to remove duplicates from within the same list at all. Rather, it looks like OP wanted to take …
python - What's the difference between lists and tuples ... - Stack ...
Mar 9, 2009 · What are the differences between lists and tuples, and what are their respective advantages and disadvantages?
python - Make a dictionary (dict) from separate lists of keys and ...
In Python 3, zip now returns a lazy iterator, and this is now the most performant approach. dict(zip(keys, values)) does require the one-time global lookup each for dict and zip, but it doesn't form any …