[Solved] Identify the error in this code snippet:f = open('file.txt', 'r') print(f.read()) print(f.read()) f.close() | Python

Python - File Handling Fundamentals

Identify the error in this code snippet:

f = open('file.txt', 'r')
print(f.read())
print(f.read())
f.close()

AFile mode 'r' is incorrect

BSecond read() returns empty string because file pointer is at end

Cread() cannot be called twice

DFile is not closed properly

Step-by-Step Solution

Solution:

Step 1: Understand file pointer behavior
After first read(), file pointer moves to end of file.
Step 2: Effect of second read()
Second read() returns empty string because no more data to read.
Final Answer:
Second read() returns empty string because file pointer is at end -> Option B
Quick Check:
File pointer at end causes empty read = D [OK]

Quick Trick: File pointer moves; second read() after first returns empty [OK]

Common Mistakes:

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