[Solved] What is wrong with this code?with open('info.txt') as f: line = f.readline() print(line) — Ans: Missing loop to read all lines | Python

Python - File Reading and Writing Strategies

What is wrong with this code?

with open('info.txt') as f:
    line = f.readline()
print(line)

AMissing loop to read all lines

Bprint(line) is outside the with block

Creadline() reads all lines, not one

DFile not opened in write mode

Step-by-Step Solution

Solution:

Step 1: Understand readline() behavior
readline() reads only one line, not the whole file.
Step 2: Identify missing loop for multiple lines
To read all lines, a loop is needed to call readline() repeatedly.
Final Answer:
Missing loop to read all lines -> Option A
Quick Check:
readline() reads one line; loop needed for all = B [OK]

Quick Trick: Use loop with readline() to read all lines [OK]

Common Mistakes:

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