NameError: name 'csv' is not defined

Question

I am new to Python, and I want to write a csv file, that lists the roots of my equation. I am working on Sage. My code is :

with open('out.csv', 'w') as f:
    c = csv.writer(f)
    c.writerows(root)

The error I am getting is " NameError: name 'csv' is not defined "

Can anybody help please?

you need to do import csv first

Ma0
– Ma0

2017-07-06 15:21:03 +00:00
Commented Jul 6, 2017 at 15:21 — Ma0
– Ma0, Commented Jul 6, 2017 at 15:21

Moses Koledoye · Accepted Answer · 2017-07-06 15:21:10Z

35

csv is not a builtin, although it's part of the standard library. You need to import it:

import csv

# your code

answered Jul 6, 2017 at 15:21

Moses Koledoye

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Comments

ann jenny · Accepted Answer · 2022-07-30 09:44:00Z

0

I was having similar error using this code:

from csv import QUOTE_MINIMAL, DictWriter

Then I edited the code to:

import csv

now it works perfectly fine for me. I am using python3.

Hope this is helpful

answered Jul 30, 2022 at 9:44

ann jenny

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1 Comment

TempleGuard527 Over a year ago

Hey @ann jenny, kudos for making this question more helpful by including other reasons people might get the NameError. I'd suggest updating your answer to show why it's unique. In your case, you were only importing part of the .csv library, and attempting to use parts you hadn't imported was causing the error.

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