I have create a sample data frame and it contains a column Called ‘Body’ and the content of it as below. ‘[‘Former India captains should have shown the maturity to sort out the matter privately’, ‘When egos clash, the results are often disastrous. Ugly too. And the row tends to rumble on. That’s what has happened in the Virat Kohli-Sourav
Tag: list
Python hangman Game explaination
I’m having problems wrapping my head around this for loop code. which was part of a Udemy course online and the teacher’s code for the hangman project. This part I understand as we are casting the number of letters in the chosen word into an underscore. This is the part I just do not understand. line 2 – inside the
Pandas – How to use multiple cols for mapping (without merging)?
I have a dataframe like as below I would like to do the below a) Attach the location column from key_df to data_df based on two fields – p_id and company So, I tried the below But this resulted in error like below KeyError: “None of [Index([‘p_id’,’company’], dtype=’object’)] are in the [columns]” How can I map based on multiple index
Get the key from a sub-dictionary and a value from a list of key-val pairs within it
I have a dictionary called metadata. It has a length of 2 keys, ‘status’ and ‘data’. I am only interested in the key ‘data’ and what lies within it. The subdictionary ‘data’ has 1,136 keys. Within ‘data’ I need the Key and the Value of the 1st position (i.e. second elelment). For example the first Key within ‘data’ would be
How to create the set of all possible sets formed by selecting 0 or 1 elements from n lists
As an example, say I have the following six lists: I want to make a new list that has either 0 or 1 elements from each of these lists. One such list could be [2,2,4,1,2,1] which is made by selecting the first element from each list. Another such list could be [2,3,2,2,4] which is made by selecting the last element
how to show only the first letter of an element of a string [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 8 months ago. Improve this question I have a list of words i.e. [‘cat’, ‘dog’, ‘chicken’] and I want to replace all letters except the first
Use global positions to mutate list, in list of lists
I need to keep my data in a list of lists, but want to edit elements in the lists based on their overall position. For instance: I want to change position 5 as if it was all one list resulting in: This is for very large lists and lots of mutations so speed is essential! Answer Here is the solution
how to select integer columns through list comprehension in python
I have a dataframe with columns as mentioned I want to only select the ‘_R’ columns I am using list comprehension but i am getting the error of Is there another way to do it? Answer Building on @nacho’s comment:
Fast way to get items removed from a list and items appended to a list based on an old version and a new version
I have a class in python that contains a list, that can be updated by calling a function. This list has several associated lists, which are all updated whenever the list is updated. However, one of the lists has roughly 40,000 items, and so when it is updated and all the related lists are updated, and it takes a very
python 3d list manipulation
I have a 3d list aa = [[[2, 3, 4, 5], [ 6, 7, 8, 9]], [[11, 12, 14, 15]]], which consists of two 2d lists how do I get this result [[2, 6], [11]] the first element of each sub list. gives [2,6,11] Answer You can do it with a list comprehension: Output: