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 …

Python merging csv files problem coping and dupplicated cells-parts

I have the following two CSV files: file1.csv val calc_1 20 1 20 2 20 3 20 4 10 5 10 6 10 7 5 8 5 9 and the second file2.csv val calc_2 20 12 20 22 20 32 20 …

How can I get unique values from csv?

I have a small question. How can I print all the texts belonging to that author by selecting the author from the csv that I read with the pandas below, can you help with the python code? (ex. I want …

Cumulatively merge rows with the same index

In python pandas, I have a dataframe which looks something like this: > df count date 2021-04-03 23.0 2021-04-04 12.0 2021-04-04 10.0 2021-04-05 42.0 2021-04-06 …

Loading CSV into dataframe results in all records becoming “NaN”

I’m new to python (and posting on SO), and I’m trying to use some code I wrote that worked in another similar context to import data from a file into a MySQL table. To do that, I need to convert it to …

Check column for variable and get value from another column in matched row

How can I get the values of one column in a csv-file by matching attributes in another column? CSV-file would look like that: One,Two,Three x,car,5 x,bus,7 x,car,9 x,car,6 I only want to get the …

Wrong column data in figure in Python

I am trying to plot multiple graphs in one figure using subplots. It looks the way I want but the data on x-axis is wrong. Instead of taking the values of ‘Time’ it is taking the number of indices of …

Import text file into csv file

I am new in Python and looking to change text data in csv data, where column contains id, sequence, createdAt, and createdBy? Text File [{“id”:1,”sequence”:14,”createdAt”:…

how to import data from a excel list into a loop for a api python

I am connecting an API and everything is going fine, now I have one problem, I have a data excel list like this: Name Secondname Age alex test 2020-02-03 pieter guy 2020-04-04 in my script i have …

How to remove extra quotes in between quotes for following example “Dec 01, 1999”,“Pocket Aquarium “Pocker” Pocket“,”Random : USA“,”USA” using python

I want to remove extra quotes in each line of csv file. ex: “Dec 01, 1999″,”Pocket Aquarium “Pocker” Pocket”,”Random : USA”,”USA” ideal output required: &…