[Solved] Find the error in this code snippet:file = open('data.txt', 'r') file.write('Hello') — Ans: File opened in read mode cannot be written to | Python

Python - File Handling Fundamentals

Find the error in this code snippet:

file = open('data.txt', 'r')
file.write('Hello')

AMissing file.close()

BFile name is incorrect

CFile opened in read mode cannot be written to

Dwrite() method does not exist

Step-by-Step Solution

Solution:

Step 1: Check file mode used
The file is opened in 'r' (read) mode, which does not allow writing.
Step 2: Understand write() usage
Calling write() on a file opened in read mode causes an error because writing is not permitted.
Final Answer:
File opened in read mode cannot be written to -> Option C
Quick Check:
Write requires 'w' or 'a' mode [OK]

Quick Trick: Open file in 'w' or 'a' to write [OK]

Common Mistakes:

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