How would i use python to read a csv file and calculate the sum of the first column.    No pandas

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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How would i use python to read a csv file and calculate the sum of the first column. 

 

No pandas 

1
number of sales
product
store
gender
item returned
date
2
3 top
london
male
no
Jan-21
3
4 hat
london
female
no
Feb-21
4
1 trouser
manchester
female
no
Feb-21
1 top
1 top
1 top
5
liverpool
female
no
Mar-21
6
eastbourne
male
no
Apr-21
7
leeds
female
no
Apr-21
8
3 glasses
eastbourne
male
no
May-21
9
2 socks
eastbourne
female
no
May-21
Transcribed Image Text:1 number of sales product store gender item returned date 2 3 top london male no Jan-21 3 4 hat london female no Feb-21 4 1 trouser manchester female no Feb-21 1 top 1 top 1 top 5 liverpool female no Mar-21 6 eastbourne male no Apr-21 7 leeds female no Apr-21 8 3 glasses eastbourne male no May-21 9 2 socks eastbourne female no May-21
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