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Python for Data Engineering

pandas methods every data engineer uses

admin · 17 Sep 2026 · 1 min read

Top 10 pandas methods

  1. read_csv / read_parquet
  2. head, info, describe
  3. drop_duplicates
  4. fillna / dropna
  5. assign
  6. merge
  7. groupby + agg
  8. pivot_table
  9. sort_values
  10. to_parquet

Prefer Parquet over CSV for anything larger than a few MB.

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