Writing a list to a CSV un Python [duplicate]

Question

I have this code for writing a list to a CSV file, but when I run it, it creates spaces between each of the lines I want to write. To show you, this is my code:

savelst = [[1,2,3,4,5],[1,2,3,4,5]]
with open('file.csv', 'w') as f:
    writer = csv.writer(f, delimiter=',')
    writer.writerows(savelst)

and it gives me this result:

1,2,3,4,5

1,2,3,4,5

So I don't want the space in between.

Strange. I just ran your code using Python 3.6.1 and I did not get any whitespace between the lines. Which version did you use? — Sheldore
– Sheldore, Commented Aug 2, 2018 at 12:21
I used python 3.6 as well. But I already solved the problem. — ProgramMeALife
– ProgramMeALife, Commented Aug 2, 2018 at 17:02

Shashank Verma · Accepted Answer · 2018-08-02 12:40:46Z

3

Change the line where you open the file as:

with open('file.csv', 'w', newline='') as f:

Adding the newline argument as '' will remove the new lines from your output file.

edited Aug 2, 2018 at 12:40

answered Aug 2, 2018 at 12:19

Shashank Verma

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2 Comments

Serge Ballesta Over a year ago

In fact it removes the additional newline.

Shashank Verma Over a year ago

I meant new lines, but I wrote spaces there by mistake. Corrected it now.

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