Inputs I have a very complicated list of list. And i have a dictionary that has each element of the list as a key. I’m going to map each element of the list to the value of the dictionary. output I tried the following to use the for loop as little as possible. I would appreciate it if you could
Tag: list
Spread List of Lists to Sparks DF with PySpark?
I’m currently struggling with following issue: Let’s take following List of Lists: How can I create following Sparks DF out of it with one row per element of each sublist: The only way I’m getting this done is by processing this list to another list with for-loops, which basically then alrea…
filter even and odd values from a dictionary and add these even and odd values to lists and write them to a txt file
code: error: name ‘odd’ is not defined Is it not found because it is empty in the lists but I add even and odd number. I do not understand why you gave such an error.How can i fix error? Answer Variables have a scope. If they are in a method, the variables are gone when the method is finished. Tha…
Converting elements list into single dictionary while scraping
I am scraping Glassdoor companies. There is a benefits section which will be different for every company, so I am grabbing all the elements in the div. That returns a list. Is there anyway to convert these into key:value pairs while scraping. They need to be written to a csv inside a loop. As of now, I am wri…
Python – Trying to print each line that has a string value that matches the index provided
Now I’m still pretty new to python and programming in general, but I know I’ve gone a bit of a roundabout way this entire program. But here is what I have and what I want if anyone can help. Begins by reading a text file e.g. ADF101,Lecture,Monday,08:00,10:00,Jenolan,J10112,Joe Blo ADF101,Tutorial…
How do I convert dict of dicts/nested dicts into dict of list
Heres the original dict What I am trying to get The keys in original dict represent uid. This is my what I have done: But I am rather looking for a generalized approach, to achieve without manually declaring the keys again, just so it should work with new keys in the original data. Answer Generalized (based o…
Aggregating dicts within a list based on key value
I’m struggling to wrap my head around this one. I’ve got a list with multiple dictionaries that I would like to aggregate based on two values. Example code: I’m trying to aggregate dicts that have the same age and regex and adding the count key across all instances. Example output would be: …
Sort a tuple with n elements based on a list with x elements
I have a tuple as given below I want to sort this tuple based on this list The sample of the expected output is given below I tried the following solution given at here to sort a tuple based on list. But it doesnt give the desired outcome. I tried using explicit loop but it doesnt work. Any help is
Multiply by the factor the number of times that the position appears in the array (Python)
I’m trying to get a “pythonic” way or using a library (anything except “for” loops) for doing this. Expected result: However, I get: This doesn’t work for me as I need to multiply twice the factor (2) for the position 0 if, through the index, the 0 position repeats n amount…
Preventing reference re-use during deepcopy
Consider the following example: The first print outputs what I would expect because the same reference is duplicated in the list. However, the second print surprised me. I would have expected the deepcopy to end up with two independent references inside the copy list. Instead it maintains the property of a si…