DA0-002 Data Acquisition and Preparation Practice Question
A data analyst wants to export a summary report from a DataFrame in pandas. Which THREE methods are commonly used for data export?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
to_csv()
pandas provides to_csv, to_excel, and to_json for exporting data.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
to_csv()
Why this is correct
Exports to CSV file.
- ✗
to_pickle()
Why it's wrong here
Exports to pickle, not common for reports.
- ✓
to_excel()
Why this is correct
Exports to Excel file.
- ✗
to_sql()
Why it's wrong here
Exports to SQL database, but not commonly for a report file.
- ✓
to_json()
Why this is correct
Exports to JSON file.
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