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Find the error in this code that reads a CSV file:

medium📝 Debug Q7 of 15
Python - Structured Data Files
Find the error in this code that reads a CSV file:
import csv
with open('file.csv', 'r') as f:
    reader = csv.reader()
    for row in reader:
        print(row)
Aprint(row) should be print(rows)
BFile should be opened in binary mode 'rb'
Ccsv.reader() missing file object argument
Dcsv.reader() cannot be used without delimiter parameter
Step-by-Step Solution
Solution:
  1. Step 1: Check csv.reader usage

    The csv.reader function requires a file object as an argument to read from.
  2. Step 2: Validate other options

    Opening in text mode 'r' is correct, print(row) is valid, and delimiter is optional with default ','.
  3. Final Answer:

    csv.reader() missing file object argument -> Option C
  4. Quick Check:

    csv.reader needs file object argument [OK]
Quick Trick: Always pass the file object to csv.reader() [OK]
Common Mistakes:
  • Calling csv.reader() without arguments
  • Opening file in binary mode unnecessarily
  • Misnaming variables in print statements

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