KwickClips Python · 40 sec · free
Why do variables lose data?
Short answer. Memory clears when the program ends.
Where does a file keep data?
On the disk.
Remember
| Memory clears at the end |
| A file on disk stays |
You close your program, and all the marks vanish. Why? Variables live in memory, which clears when the program ends. A file stays on disk. We write Riya eighty eight, then read it back. Memory clears at the end. A file on disk stays.
This clip is from the full lesson: Text File Handling: Open, Read, Write and Append — 9 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 12 Computer Science (083), CBSE Class 12 Computer Science (083), CBSE Class 12 Computer Science (083), Cambridge IGCSE Grade 9 Computer Science (0478)
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