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## Exercise 4 : Indexing In the code chunk below write script that identifies the following data from your data frame: 1 . family members

## Exercise 4: Indexing
In the code chunk below write script that identifies the following data from your data frame:
1. family members over the age of 18.
2. family members that are male.
3. the second column of your data frame.
4. The entry in column 3 row 1.

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