Read CSV File in Python
Read CSV File is about tabular files. csv is in the stdlib. Excel usually needs openpyxl or pandas. Always with open(...) so the file closes.
For Read CSV File read: csv.reader or DictReader (column names). Write: writer / DictWriter. Don’t load a 2 GB file into memory if you can stream rows.
Read CSV File on the board — one row name,marks → Asha,90. Print it back. Same idea for Excel cells.
Read CSV File in Python — output — Asha 90 then Ravi 85. DictReader uses column names — same as a real .csv file.
with open(...) as f
│ read / write
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auto closeExam tip
stdlib csv vs Excel library. One sentence + tiny row example.