I currently have 2 lists of tuples, both of which have the same information on the first element of the tuple. I’m trying to see if there is a way to “Join” these two tuple lists in a dataframe based on their common elements. Something like an SQL JOIN on a common column. Lists are something…
Tag: tuples
Assigning dict to class variable converts it to tuple
I’ve been using python for a while and I’ve never run into this. I am passing a dict to a class and assigning it to a class variable like so. If I print the type of rule_list prior to assigning it to self.rule_list I get <class ‘dict’>. Immedietly after assignment, I get <clas…
Python Tuples: remove the first three elements cleanly
My issues: How is (9,) different from (9)? (9,)==(9) yields False Why is (9,) showing up in the snippet below? How do I fix the code below so I get (9)? Answer The simple answer is, parentheses are overloaded for grouping and for tuples. To differentiate these forms in python, a trailing comma explicitly indi…
python program to write a code that receives file route and return a tuple with things from the file
I need to write a program to receive a file. her content is something like that: this is my code: the program needs to return a tuple that contain the (name of the longest song, number of lines in the file, most appearing artist in the file) But it doesn’t work and return: Answer
How to use key in the sort function in this situation (Python)?
I have a list like this: Now I want to sort it, but by the number, not by the word. If I just use l.sort() it just sorts by alphabetically. My desired output should be sth like (d,0)(c,1)(a,2)(b,4) I tried l.sort(key = l[0][1]) but it won’t work too (l[0][1] actually refer to number 2, which is the seco…
Python – Write all tuples of a combination using list comprehension
I would like to create all pairs (i, j) such that i goes from 0 to n-1 and j goes from i to n-1. Basically these are all the unique combinations for two lists of length n. As an example if n=3 then I would like to get It would be great if I could do this with a list
Extracting key and value from tuple of dictionaries (taken from json file) in python
I have a JSON file which is a tuple of multiple dictionaries and I want to extract keys and values from some of them. The file looks something like this (this is just an example of the structure with random keys and values): What I want to extract all names (Ana, Bob, Chloe) and their ids something like this:…
How to compare a list of dict with list of tuples in Python
I have a list of dict as below: and list of tuples: I have to write a python code where I have to checkif MetaData from dict (for both keyboard & smallObjects) in objList if greater than or equal to the count in objectsCounter. If yes, then I have to set IsCompleted to True otherwise False. For this I hav…
Tuple comparison in function
I am wondering why my comparison returns False and not True although ‘a’ == ‘a’. Output: False Answer It’s because you are using *values rather than values in your function definition When you use the special syntax *args in a function, args will already come back as a tuple, whe…
Find tuple in list of tuples in python
I have a list of tuple (simulationtime,efficiency) and I want to find the tuple in which the maximum efficiency is stated with respect to the minimum simulation time. Any hints on how that could be done? A small part of the otherwise very large list: [(109.00537427472713, 0.8), (109.00588429136333, 0.85), (10…