dictionary-comprehension

Using dictionary comprehension to create a dictionary from list of dictionaries Question: This is my original code, it works as I need: import collections import json import yaml file_list = [ {‘path’: ‘/path/to/file1’, ‘size’: 100, ‘time’: ‘2022-02-15’}, {‘path’: ‘/path/to/file2’, ‘size’: 200, ‘time’: ‘2022-02-13’}, {‘path’: ‘/path/to/file3’, ‘size’: 300, ‘time’: ‘2022-02-12’}, {‘path’: ‘/path/to/file4’, ‘size’: 200, ‘time’: ‘2022-02-11’}, …

Dictionaries python Question: I am making a dictionary , keys having 2 words. Suppose I have two items in the dictionary: {(‘am’, ‘and’): 1, (‘and’, ‘am’): 1} How to identify those above 2 keys are equal (they are just in different order). for word1 in window: for word2 in window: if word1 != word2: word_pair_freq[(word1, …

Create a new dictionary with the key-value pair from values in a list of dictionaries based on matches from a separate list Question: I am trying to get a new dictionary with the k: v pair from values in a list of dictionary based on matches from a separate list. The casing is different. My …

dictionary comprehension for counting items in the list doesn't work. but normal version works Question: Edit 2: thanks to the guidance of @john-gordon, I found the problem. I was searching through a wrong list. which i fixed by changing the first case to splitted_subs = [] #> a list that will be used for splitting …

How to check if list element in a dictionary is the same as the key in a dictionary and then print the value of the key with the list element Question: recipedict = {‘sandwich’:[‘a buttered sandwich’,[[‘bread’,’13’],[‘butter’,’4′]]]} supplydict = {‘bread’:[‘150′,’15’,’james’],’butter’:[’15’,’12’,’allen’],’sugar’:[’15’,’12’,’marc’]} supplierdict = {"james":’12345234′,"allen":’17682342′} for example I have these 3 dictionaries. I need to check if the …

dict comprehension including list comprehension with if statement no producing the correct output Question: I have some lists of text and I need to pull them together into a dictionary, but I need to use one list to ‘filter’ the other. I can do this in a series of nested for loops but I can …

Pandas data frame to dictionary using dict comprehension Question: I have a data frame of cities and info about them. I need to make a dictionary with the countries where the cities are located as keys of my dictionary and a list of the cities in that country as values of my dictionary. All of …

Using a dict comprehension transform dataframe columns into dict Question: I’ve got this DataFrame: country city Argentina Buenos Aires Bangladesh Dhaka Brasil Sao Paulo, Rio de Janeiro I would like to get a dictionary using a dict comprehension: {Argentina:[Buenos Aires], Bangladesh:[Dhaka], Brasil:[Sao Paulo, Rio de Janeiro]} x = {k : column.values() for k, column in …

Python Dict Comprehension retrieve value from 1 dataframe column if match another column value Question: I have a dataframe and there are 2 columns ["country"] and ["city"] which basically informs of the country and their cities. I need to create a dict using dict comprehensions, to get as a key, the country and as values, …

dictionary comprehension code to count the occurances of a word in a string Question: I am learning about list and dict comprehensions and for most of the simple cases I am OK. I have the following code that counts the occurrences of a word in a string. I am looking to make it into a …