[Solved] What will be the output of this code snippet?import csv with open('test.csv', 'w', newline='') as file: writer = csv.writer(file) writer.writerow(['Name', 'Age']) writer.... | Python

Python - Structured Data Files

What will be the output of this code snippet?

import csv
with open('test.csv', 'w', newline='') as file:
    writer = csv.writer(file)
    writer.writerow(['Name', 'Age'])
    writer.writerow(['Alice', 30])

with open('test.csv', 'r') as file:
    reader = csv.reader(file)
    for row in reader:
        print(row)

A['Name', 'Age']\n['Alice', 30]

B['Name', 'Age']\n['Alice', '30']

CName,Age\nAlice,30

DName Age\nAlice 30

Step-by-Step Solution

Solution:

Step 1: Understand csv.writer.writerow output
Each call writes a list as a CSV row; all values are serialized to strings.
Step 2: Reading with csv.reader returns lists of strings
Printing each row shows: ['Name', 'Age']\n['Alice', '30'].
Final Answer:
['Name', 'Age']\n['Alice', '30'] -> Option B
Quick Check:
csv.reader returns lists of strings as printed [OK]

Quick Trick: csv.reader returns each row as a list of strings [OK]

Common Mistakes:

MISTAKES

Thinking numbers remain integers after reading
Expecting CSV format string output from print
Confusing print output with file content

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What will be the output of this code snippet?

Step 1: Understand csv.writer.writerow output

Step 2: Reading with csv.reader returns lists of strings

Final Answer:

Quick Check:

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