Python - File Handling Fundamentals
You want to save user input permanently to a file and then read it back. Which sequence of operations is correct?
You want to save user input permanently to a file and then read it back. Which sequence of operations is correct?
hard🚀 Application Q8 of Q15
Step-by-Step Solution
Solution:
Step 1: Write user input to file
Open the file in 'w' mode to write and save the input permanently.Step 2: Read the saved content
Close the file, then open it in 'r' mode to read back the saved data.Final Answer:
Open file in 'w' mode, write input, close file, open in 'r' mode, read content -> Option BQuick Check:
Write then read sequence = Open file in 'w' mode, write input, close file, open in 'r' mode, read content [OK]
Quick Trick: Write first, then read after closing file [OK]
Common Mistakes:
MISTAKES- Trying to write in 'r' mode
- Reading before writing
- Using 'x' mode without checking file existence
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