Python - Standard Library Usage
You want to create a program that reads a text file and counts how many lines contain the word 'error'. Which standard library module would help you open and read the file easily?
You want to create a program that reads a text file and counts how many lines contain the word 'error'. Which standard library module would help you open and read the file easily?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the task requirements
The program needs to open and read a text file line by line.Step 2: Choose the module for file input/output
Theiomodule provides tools to open and read files easily in Python.Step 3: Understand other options
oshandles operating system tasks,sysdeals with system-specific parameters, andreis for regular expressions, not file reading.Final Answer:
io -> Option DQuick Check:
File reading needs io module = A [OK]
Quick Trick: Use io module to open and read files easily [OK]
Common Mistakes:
- Choosing os or sys for file reading
- Confusing re module with file handling
- Not knowing which module handles file I/O
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