How to create a dictionary to count value (username) appearances in two files? – Python Question: trying to complete a task for my course; I have two files that I need to read from and compare to get a count. One file contains login information in the format of: username, password The other file has …
how to use zip efficiently to iterate parallelly in multiple lists Question: Is there any way that while using the ZIP function we can provide some default value to parallel elements which are not present and still print the entire stuff? eg, for the below code 6 from list a getting missed but I don’t …
Making number pairs with for loop Question: I’ve been trying to get a desired result for the past few hours without success. I get lots of negative values printed out and I’m not sure if it’s because of syntax or if I don’t assign my variables properly. I’m trying to get a set of two …
Printing an unzipped list object returns empty list Question: In the following code, I am trying to unzip a zip object. x = [1, 2, 3]; y = [‘a’, ‘b’, ‘c’] z = zip(x, y) #print(list(z)) #2nd print statement returns [] if this line is uncommented unzip = zip(*z) print(list(unzip)) #returns [(1, 2, 3), (‘a’, …
Python iterator and zip Question: With x = [1,2,3,4], I can get an iterator from i = iter(x). With this iterator, I can use zip function to create a tuple with two items. >>> i = iter(x) >>> zip(i,i) [(1, 2), (3, 4)] Even I can use this syntax to get the same results. >>> …
