Python - File Handling Fundamentals
What happens if you open a file in Python with mode 'a' and write data to it?
What happens if you open a file in Python with mode 'a' and write data to it?
easy🧠 Conceptual Q1 of Q15
Step-by-Step Solution
Solution:
Step 1: Understand mode 'a' in file handling
Mode 'a' stands for append, which means new data is added at the end of the file.Step 2: Effect of writing in append mode
Writing in append mode does not erase existing content but adds new content after it.Final Answer:
Data is added to the end of the file without deleting existing content. -> Option BQuick Check:
Append mode = Add data at end [OK]
Quick Trick: Use 'a' to add data without erasing file [OK]
Common Mistakes:
MISTAKES- Confusing 'a' with 'w' mode
- Thinking 'a' overwrites file
- Using 'a' mode for reading only
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