If we look at the resize behavior for sets under 50k elements: This pattern is consistent with quadrupling of the backing storage size once the set is 3/5ths full, plus some presumably constant overhead for the PySetObject: A similar pattern continues even for larger sets, but the resize factor switches to do…
Tag: set
Creating sets of specific extracted values from a .txt file (Python)
I have a .txt file that says “NAMES,” “POINTS” and “SUMMARY” in capital letters, each followed by lines containing data. Each of these three groups is separated by an empty line: My goal is to create three separate sets of names, points and summary. I already created a set …
using set() with pandas
May I ask you please if we can use set() to read the data in a specific column in pandas? For example, I have the following output from a DataFrame df1: where the first column is the index.. I tried first to isolate the second column using the following: x = pd.DataFrame(df1, coulmn=[0]) Then, I transposed th…
How to chain Python’s set.add() while updating dictionary values being sets?
Let’s create dictionary dctD entries with values being set()s: Now the dictionary has to be updated with a new value which should extend its set() value if the at runtime unknown key value is already in the dictionary: The GOAL is to extend the set being value in dctD by a value also in case the key doe…
randomizing list and exporting the results as unique set of 4 strings
I have wanted to randomize list of strings, 9 different strings and then printing out the strings into unique set of four then exporting it into txt file. Here is what I have tried so far, but I am not sure how to set them into groups of four. I want the print outcome to come out in an example
pandas, access a series of lists as a set and take the set difference of 2 set series
Given 2 pandas series, both consisting of lists (i.e. each row in the series is a list), I want to take the set difference of 2 columns For example, in the dataframe… I want to create a new column C, that is set(A) – set(B)… Answer Thanks to: https://www.geeksforgeeks.org/python-difference-t…
build a set from 3 lists – Python
I’ve got below chunk and I need to define ‘Score’ as the intersection / union for each set of words in any given two lists. I understand & and | could only be used in sets. From studytonight I get that below code shoud work but it’s gving me > TypeError: unhashable type: ‘…
How to set custom color for symbols like*,#,etc in python tkinter
How to set specific color for certain symbols like ,#,etc ‘ example if I type “” it’s color should be blue and other stay remain same. typedecker sir i am binding you function like this but this is not working Answer The same procedure as followed in the case of words here by me, can b…
Which is faster, a set comprehension or set difference? [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about programming within the scope defined in the help center. Closed 1 year ago. Improve this question I have two lists: I need to find the difference between the two list…
What makes the difference by creating a set in this code?
Given a list of numbers and a number k, return whether any two numbers from the list add up to k. For example, given [10, 15, 3, 7] and k of 17, return true since 10 + 7 is 17. Bonus: Can you do this in one pass? I wrote my code like this and i got right answer for the above input And checked others code too …