The [blank15] class in datetime represents differences between dates or times. Enter all letters for your answer in lowercase.

The [blank9] method in Pandas joins DataFrame objects by matching columns. Enter all letters for your answer in lowercase.

How can you select the first 5 rows of a DataFrame called df? Select all that apply.

[Blank10] is the default parameter in Pandas to take the intersection of indexes when merging DataFrames. Enter all letters for your answer in lowercase.

Which datetime module class in Python represents differences between two dates or times?

Which datetime module class represents a combination of date and time?

What code replaces all missing values in a DataFrame df with 0?

The [blank14] method in Pandas reads data from a CSV file. Enter all letters for your answer in lowercase.

In Pandas, what method checks if a DataFrame contains any null values?

[Blank12] interpolation fills missing values by propagating the last valid value forward in a DataFrame. Enter all letters for your answer in lowercase.