[Solved] Identify the error in this code snippet:f = open("file.txt", "r") f.write("Hello") f.close() — Ans: File is opened in read mode but write is attempted | Python

Python - File Handling Fundamentals

Identify the error in this code snippet:

f = open("file.txt", "r")
f.write("Hello")
f.close()

AFile is not closed properly

BFile is opened in read mode but write is attempted

CSyntax error in open function

DNo error, code runs fine

Step-by-Step Solution

Solution:

Step 1: Check file mode
File opened with "r" mode allows reading only, no writing.
Step 2: Identify operation error
Calling write() on a read-only file causes an error.
Final Answer:
File is opened in read mode but write is attempted -> Option B
Quick Check:
Write requires write mode, not read [OK]

Quick Trick: Write needs "w" or "a" mode, not "r" [OK]

Common Mistakes:

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