All Questions
61 questions
-4
votes
3
answers
394
views
Python comprehension with different number of elements
The general problem
I have a case where I'm generating an element comprehension with a different cardinality to the input source. This cardinality should not be a multiple of the original (data-driven)...
- 821
-1
votes
1
answer
95
views
Making dictionary more functional
how can i change the code, to make it more functional (change the for loop for the same result only to make it shorter in 2 sentences)?
def get_language_from_text():
"""
Simply ...
1
vote
2
answers
84
views
How to group lists with common elements into dict using functional approach in python?
I am trying to aggregate lists into dict. First column can be treated as id and second column as some random element. I want all elements assigned to the same id to be grouped in a list under that id. ...
- 951
1
vote
1
answer
223
views
Convert a list comprehension to functional programming
I have a list of dictionaries
lst = [{'a': (1, 2, 3), 'b': (2, 3)},
{'c': (3, 6), 'd': (4, 8), 'e': (5, 10)},
{'d': (6, 12), 'e': (7, 14)}]
For each key in each dictionary, I want to ...
user7864386
0
votes
0
answers
25
views
Using functionality paradigms in reduce nested lists [duplicate]
I have the following problem, transform the structure below
[[1], [2,3,4,5,6], [7,8,9]]
by getting items from nested lists, as a result
[1,2,3,4,5,6,7,8,9]
The simplest implementation can be written ...
- 165
1
vote
3
answers
224
views
Functional Programming : Creating a dictionary whilst merging values of duplicate keys into a list
Say I have the following list
values = ["Cat" , "Mat" , "Jack", "Cord"]
I want to implement it using a functional approach
How can I create an alphabetical ...
- 337
0
votes
2
answers
65
views
Delete Key by its value in Python Dictionary
I have a dictionary in which , I want to remove the key whose name start from S, which is "person_3".
My_Dict = {
"person_1": {"name": 'John', "age"...
- 49
-2
votes
4
answers
1k
views
Shortest way to update a list of dictionaries in one line
Say I have a variable, people, which is a list of person dictionaries. I want to add a serial number id to each dictionary in the list. I could do this:
people = [{'name':'jo'},{'name':'rob'},{'name':'...
- 7,292
3
votes
2
answers
3k
views
Python: Remove item from dictionary in functional way
I've been programming in Python for quite a while now. I've always wondered, is there a way to remove an item from a dictionary and return the newly created dictionary? Basically removing an item from ...
0
votes
2
answers
49
views
Several identical dictionaries component mean
I have several Python3 dictionaries with the same identical structure, mapping string labels to real values. For example, for 4 entries, the data set could look like:
{"a": 1.2, "b&...
- 551
0
votes
2
answers
413
views
Using reduce() to get frequency of every character pair/triple in a string?
I am supposed to complete this task in a functional manner, so no loops of any sort.
I already completed the task for finding the frequency of single characters. My code looks like this:
char_freq =...
- 315
1
vote
2
answers
382
views
reduce list of functions with keyword argument on dictionary in python
:)
I want to build a very tiny functional pipeline in my code to reduce a bunch of functions on a single dictionary. Every function does 1 thing, but on different keys, here's a simplified example:
...
- 997
1
vote
1
answer
37
views
how to take spesific value in list dictionary
here's my whole code
a = str(input("parent1 :"))
b = str(input("parent2 :"))
p = {'rose':'R_P_', 'pea':'rrP_'}
print(p[a] +" : "+p[b])
f = []
print('gamet 1 : ' + p[a][0]+p[a][2])
print('gamet 2 : '...
- 23
0
votes
2
answers
125
views
reduce functions on a dictionary python
This might be somehow of a trivial question, but I have a dictionary on which I would like to apply some 10 functions to modify its content.
I think this would be a good case for reduce but I cannot ...
- 997
2
votes
4
answers
755
views
Python: get the corresponding key from value
def get_nearest_less_element(d, k):
return (min(value for value in map(float, d.values()) if value >= k))
So, d is a dict() and k is float, this function returns me the correct value, but can I ...
- 2,704