query: Unexpected update result on the quickly nested list in Python
positive_passages.docid: 1607
positive_passages.text: List of lists changes reflected across sublists unexpectedly
negative_passages.docid: 128315
negative_passages.text: How to find all the positions of max value of a list efficiently?
negative_passages.docid: 90538
negative_passages.text: Two ways to map a function on a list: Which one is faster?
negative_passages.docid: 49423
negative_passages.text: Find intersection of two nested lists?
negative_passages.docid: 10218
negative_passages.text: How to efficiently compare two unordered lists (not sets) in Python?
negative_passages.docid: 121365
negative_passages.text: Why results of map() and list comprehension are different?
negative_passages.docid: 90163
negative_passages.text: Disturbing odd behavior/bug in Python itertools groupby?
negative_passages.docid: 155081
negative_passages.text: Why are my recursive functions running so slowly? And how do I fix them?
negative_passages.docid: 129749
negative_passages.text: How slow is Python's string concatenation vs. str.join?
negative_passages.docid: 43239
negative_passages.text: What is the best way to modify a list in a 'foreach' loop?
negative_passages.docid: 50796
negative_passages.text: How to modify list entries during for loop?
negative_passages.docid: 17592
negative_passages.text: Why does += behave unexpectedly on lists?
negative_passages.docid: 67144
negative_passages.text: Is list::size() really O(n)?
negative_passages.docid: 135201
negative_passages.text: How can I change a list to a sequence without destroying nested list
negative_passages.docid: 123813
negative_passages.text: A better way to do nested lists
negative_passages.docid: 71424
negative_passages.text: Weird behavior: Lambda inside list comprehension
negative_passages.docid: 67703
negative_passages.text: Why does '.sort()' cause the list to be 'None' in Python?