Write a function that given a list of emails, writes the emails to a file called

Question

Write a function that given a list of emails, writes the emails to a file called "emails.csv"

Add a header of your choosing to your file as the first line.

Your file, emails.csv, will look like this:

list_of_emails

bellamys@mail.med.upenn.edu

warren@upenn.edu

bryanma@upenn.edu

#!/bin/python3

import sys
import os

# Complete the function below.

def write_to_csv(list_of_emails):

#write code that should be here

emails = list(map(str.strip, sys.stdin.readlines()))
write_to_csv(emails)
assert os.path.exists('emails.csv'), 'did you write to "emails.csv"?'
with open('emails.csv', 'r') as f:
header = f.readline()
emails2 = []
for line in f.readlines():
emails2.append(line.strip())
os.remove('emails.csv')
assert all(i == j for i, j in zip(emails, emails2)), 'this list of emails is different'
assert len(emails) == len(emails2), 'this list of emails is different'
print(1)

Explanation / Answer

#!/bin/python3 import sys import os # Complete the function below. def write_to_csv(list_of_emails): with open('emails.csv', 'w') as f: f.write('list_of_emails ') for email in list_of_emails: f.write(email+' ') emails = list(map(str.strip, sys.stdin.readlines())) write_to_csv(emails) assert os.path.exists('emails.csv'), 'did you write to "emails.csv"?' with open('emails.csv', 'r') as f: header = f.readline() emails2 = [] for line in f.readlines(): emails2.append(line.strip()) os.remove('emails.csv') assert all(i == j for i, j in zip(emails, emails2)), 'this list of emails is different' assert len(emails) == len(emails2), 'this list of emails is different' print(1)

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