23 In Python 3 zip returns an iterator instead and needs to be passed to a list function to get the zipped tuples:

I'm extremely new to Python so this just recently tripped me up, but it had to do more with how the example was presented and what was emphasized. What gave me problems with …

10 iter(s) returns an iterator for s. [iter(s)]*n makes a list of n times the same iterator for s. So, when doing zip(*[iter(s)]*n), it extracts an item from all the three iterators from the list in order. …

Mar 19, 2015 · zip([1,2,3],[4,5,6]) Also, note that since Python-3.5 you can use unpacking operators in a few other cases than in function callers. One of which is called in-place …

import operator from functools import reduce def zip_mappings(*mappings): keys_sets = map(set, mappings) common_keys = reduce(set.intersection, keys_sets) for key in common_keys: yield …

Dec 6, 2009 · 69 How can I create a zip archive of a directory structure in Python? In a Python script In Python 2.7+, shutil has a make_archive function.

zipfile.zip\ dirA.zip\ a dirB.zip\ b dirC.zip\ c I want to extract all the inner zip files that are inside the zip file in directories with these names (dirA, dirB, dirC). Basically, I want to end up with the …

Feb 14, 2011 · FYI, Python 3's zip function is Python 2's izip. In general Python 3 changed most functions to use iterators, like range, filter, the dict functions, etc

Sep 29, 2016 · Create zip archive with multiple files Asked 9 years, 2 months ago Modified 1 year, 6 months ago Viewed 18k times

Q1- I do not understand "for x, y in zip (Class_numbers, students_per_class)". Is it like a 2d for loop? why we need the zip? Can we have 2d loop with out zip function? Q2-I am not …