You are working with the COVID dataset for California, which includes the number of cases and deaths for each day of 2020. Find

Answer 1

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Answer 2

You are working with the COVID dataset for California, which includes the number of cases and deaths for each day of 2020.
Find the day when the deaths/cases ratio was largest.

To do this, you need to first calculate the deaths/cases ratio and add it as a column to the DataFrame with the name 'ratio', then find the row that corresponds to the largest value.