Pandas Practice: GroupBy, Aggregation and Reshaping

Pandas Practice: GroupBy, Aggregation and Reshaping

Choose one best answer. Each attempt draws 10 of 20 questions; the practice pass mark is 8/10. Pandas 2.2+ grouped calculations and reshaping. Assume import pandas as pd; each question is independent. Original topic practice, not an official exam or score prediction.
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Rows for a team have scores [10, 20, 20]. With rank(method='dense', ascending=False), what are their ranks?