I am trying to write a new row on CSV A based on the ID number if the ID number. For example as seen on CSV B if ID = 1 then the student is a Female, ID = 2 is a Male. CSV A (has 3 columns) CSV B (has 2 columns) Based on this information the desired output
Tag: csv
create a csv with the Items missing on the latest file
I am trying to create a csv with the Items missing on the latest file log. the comparing files are out.csv wish is a scan result, and the latest csv on the log folder. the idea will be not repeating the rows already used before as the out.csv will have always the full content I have not a clue why
How to create Dataframe with the columns names being as a part of a csv file path?
I have a root folder With multiple folders in it with and ultimate paths to csv files: I was managed to create a Dataframe containing all csv files concatenated using the following code: Result: But I am now struggling to add the respective date+name to the Dataframe, so it would look like this: How can I do it? Answer With
How to combine rows that have the same values in two columns (Python)?
I currently have a csv file as follows. The first part just shows the columns names. The g column values are the same for every f value. The only unique part is p. Using python, how could I combine this as follows: One thing to note is that the csv file is much larger and that some f values might
Python – Write array output in .csv file for each for loop iteration
I’m trying to write the output data of this for loop in a .csv file. However, what gets written in the .csv file with the current code is the data of a single iteration. I want to append and write the data in a new row for each iteration. How do I do that? Answer Try to append instead of
I’m trying to import CSV file using pandas, But I’m getting Error. (look at pic)
What am I doing wrong?? I’m trying to import a csv file using pandas, i either get an error stating file can’t be found or a unicodeerror message? Answer You should escape your backslashes on Windows – U is interpreted as a unicode character directive in the string. Try:
Reading Csvs, adding a column, putting data into the new column and then saving csvs in python
I currently have a folder with about 300 csv files in them. What I want to do is to read all the csv files within the folder. The Csv files currently have two columns in them. I want to add a third column to each file. In this third column I want there to be either a 1 or a
How can you properly put a dictionary into a CSV file so you can search the CSV File by key values?
I am attempting to put a dictionary which has two properties of ID and Status into a CSV file. After putting it into the CSV file correctly I am wanting to search for a certain row by ID, then return the Status that is tied to that row’s ID. The issue I am having is that during the for loop
count how many people join in 1st half and 2nd half
the output I want that is like in the year 1980 people who join in 1st half and 2nd half in dictionary form like this {1980:{H1:3, H2:0}, 1981:{H1:7, H2:8},…..} Answer You’re close, but you need to set 0 somewhere, and accumulate some results
Python merging csv files problem coping and dupplicated cells-parts
I have the following two CSV files: file1.csv and the second file2.csv and i would like to have them merged like this: my code that I wrote is: but when I do this I get for each calc_1 point the whole dataset copied like this: what am I doing wrong? Answer Here is a solution you can try out, using