How to write to CSV and not overwrite past text

Question

The code below is what I have so far. When it writes to the .csv it overwrites what I had previously written in the file.How can I write to the file in such a way that it do

Answer 1

change open("learner.csv", "w") to open("learner.csv", "a")

The second parameter with open is the mode, w is write, a is append. With append it automatically seeks to the end of the file.