In python 3.8 I want to define some click options that are common to multiple commands. I tried the following piece of code: But when I try to run the command I get an error What I want, is that the command list has the following three options: verbose, path and list-option and that the command find has the f…
Tag: python-3.x
Is it possible to get binary count from Counter() Python
Using Counter(), I want to do a binary count of variables in a list. So instead of getting the count for each variable, I would simply like to have a Counter() variable, in which all values are one. So for a given list: I want the output to be: Instead of: I am aware that I could loop through the
Python Pandas – Lookup a variable column depending on another column’s value
I’m trying to use the value of one cell to find the value of a cell in another column. The first cell value (‘source’) dictates which column to lookup. My required output value in the ‘output’ column is a lookup of the ‘source’: Failed attempts This results in a Value…
Reverse a Bokeh Button operation by clicking the button again
I have a vision for a dashboard where you can click on one of several Buttons to perform additive operations, and undo the operation by clicking on the button again. Actually undo is the wrong word, as I do not want the second click to restore it to an original state as that could interfere with the results o…
Compare two strings, count letters in the right position, then count letters contained in word but in wrong position
I’m working on a game where the computer picks a random word from a list. The user then guess the word from input. The application shall then return +1 for every letter in the correct position and +1 for any letter in the word but not in the correct position. It should only count the letter in the right…
String column to multiple columns in DataFrame
I have a DataFrame with multiple columns: Now I want to break column C(whose each entry is separated by n) into multiple column like this: I tried few techniques but can’t make it. I tried to use df.apply but not able to fix NA columns. Is there a way to cleanly achieve this? Thanks. Answer A solution u…
Is there a way to add a 0 in the corner of a multiplication table
This is my code: When I run my code it returns when I call the function multiply(4): I want it to return as: What do I have to change and I also need to return the table instead of printing the table. Answer you need to add a few checks to your function but this should work – with this
Why do the first two inputs I enter when I run my program repeat in the text file?
I’m trying to make a flash card generator, and I’m having trouble gathering the inputs from the text file. When the program asks the user for the questions and answers, it drops the information into a text file that will be used later, when the user wishes to review the information. However, whene…
Can’t rectify a condition in the right way when there are multiple nots involved
I’m trying to combine multiple not conditions in a single line but I can’t make it. This is how the conditional statements should be built upon: when stat has a value and both the value of alternative and successor are nothing then only the script should print true. When I try the following, I get…
Questions about In-place memory operations in pandas (1/2)
I was explaining[1] in-place operations vs out-of-place operations to a new user of Pandas. This resulted in us discussing passing objects by reference of by value. Naturally, I wanted to show pandas.DataFrame.values as I thought it shared the memory location of the underlying data of the DataFrame. However, …