I have a list of numbers and I want to subtract every number from the smaller value after it but with the lowest possible complexity I have the list [7, 18 ,5 ,5 ,20 ,9 ,14 ,7 ,19] The first lower value after 7 is 5 so it will subtract 7 from 5, the same for 18 the first lower
Tag: list
I need to sort two lists of tuples in different orders depending on whether elements in the tuples are equal or not
I have two possible lists, one is the name and the second is the age. my function needs to return copies of these lists such that they are both sorted in order of age (descending order) (ie the names of employees in the lst1 are also required to be ordered according to their ages in lst2). If two or more
How to convert string of list of list to list?
I have this file, it is the result of the MapReduce job so it has key-value format: I want to remove all the character except the second element of this value list: And finally, add each to a single list: This is my attempt so far: Output: You can see it is still str type, how can I make it
Hangman in Python: Type error raised when trying to display guessed letters along blank space
the following codes are for the Hangman game. It gets a type error for the assignment display = list(“_” * len(chosen_word)), saying that it is a Nonetype. Is this because chosen_word is not assigned (which is another error in itself)?. How can it be corrected? Any other suggestion to improve the …
for some reason the str keyword is still printing a list [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 1 year ago. Improve this question this i…
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 …
Nested FOR loops – coding challenge
I am learning python using STEPIK and I am facing this: I want on every iteration of the inside for loop sum the values of predicted_growth list with the value of cases list, save it in some temporary variable and print it. Click on the link for the full challenge. This is my code so far: This is the output
How to replace several values of a column using lists in python
I have a dataframe name “detalhe” with several columns and one is named: “Concelho”. I have a list of unique values of “Concelho” named “Concelho ADENE” and I would like to replace each occurrence with a different list called “INE”. Both lists have t…
How do i fill a list with zeros? When I try to .append(0), I am met with an error message saying that ‘int’ object has no attribute ‘add’
Answer i is defined twice in your nested loop, the 2nd i will overwrite the first. Rename one of them to avoid this. Also, .add should be .append and range(len(self.z)) should probably be range(self.y) in order to have the correct number of columns. Side note: why is __init__ returning a value?
Perform a list comprehension inside of a for loop in Python [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 1 year ago. Improve this question In sho…