How to solve the value error received while working with this dictionary? Question: I have a dataframe from which the columns are grouped as: {(a, b, c): [(‘d’, e, f)]} with this command: dct = df.groupby([‘a’,’b’,’c’])[[‘d’,’e’,’f’]].apply( lambda g: list(map(tuple, g.values.tolist()))).to_dict() After this, I apply: dct = {k: dict(v) for k,v in dct.items()} which gives me …
Merge two dictionaries in python Question: I’m trying to merge two dictionaries based on key value. However, I’m not able to achieve it. Below is the way I tried solving. dict1 = {4: [741, 114, 306, 70], 2: [77, 325, 505, 144], 3: [937, 339, 612, 100], 1: [52, 811, 1593, 350]} dict2 = {1: …
How to delete dictionary values simply at a specific key 'path'? Question: I want to implement a function that: Given a dictionary and an iterable of keys, deletes the value accessed by iterating over those keys. Originally I had tried def delete_dictionary_value(dict, keys): inner_value = dict for key in keys: inner_value = inner_value[key] del inner_value …
How do I get a dict key from an int when the dict values are lists? Question: I have the python dict: my_dict = {‘C’: [1,2,3,4,5,6,7,8,9,10,11,12,15,18,46,64,67,73,78,83], ‘B’: [13,14,22,32,38,39,42,59,68,74,79,84], ‘A’: [16,17,19,23,31,37,40,50,51,60,70,75,80,85], ‘S’: [20,25,33,36,43,44,48,49,57,61,62,63,71,76,81,86,88,89,92,94], ‘SS’: [21,24,26,47,52,53,54,56,66,69,72,77,82,87,91,93], ‘SS+’: [27,28,29,30,34,35,41,45,55,58,65,90,95,96,97,98], ‘SSS’: [99,100]} How would I get the key ‘C’ as the output when I give it the integer value …
How to split values of a Python dictionary Question: I have a dictionary like this: data = { key1: [ <A><B> ] key2: [ <C><D> ] key3: [ <A><F> ] … } Goal to achieve: I want to have instead something like this: new_dict = { key1: [ <A>, <B> ] key2: [ <C>, <D> …
Loop Through Two Dataframe Columns to Create Key-Value Pairs For Value Dictionaries Nested Inside A Dictionary Nested Inside Another Dictonary Question: I want to create a metadata variable based on my input dataset’s columns using dictionaries. Specifically, I want the metadata variable to have exactly this structure and values: metadata = { ‘fields’: { ‘id’: …
python – extract value from list of dictionary Question: I need to display book name and calculate average weight of book if the book price is more than 800. here is my current code, appreciate any help. thank you so much in advance! def calcWeight(): for book in books: for key,value in book.items(): if key …
How to count the number of keys where the values meet a criteria in a list of dictionaries? Question: I have a list of dictionaries (see below), and I would count the number of keys, whose values meet a specfic criteria. In this instance, I want to know the number of ‘duration’ keys, whose values …
Python using dictionary list values to key match a dictionary Question: I’m struggling in python on how to query a dictionary with a value from one list as a key in another. For example: d1 = {"fruit":[5, 3, 3, 3, 4, 2, 4]} d2 = {0:"apple", 1:"pear", 2:"cherry", 3:"lime", 4:"orange", 5:"mango", 6:"kiwi"} What I’d like …
compare values from dictionary with list Question: i have a dictionary like this and i want to compare it with a list dic= {0: 0, 1: 1200, 2: 2400, 3: 1800, 4: 2400, 5: 2400, 6: 1200, 7: 1800, 8: 2400} list = [0,2,5,7] How can I create sum over the list with the values …
