Answer:
This code will no get executed properly.It will give keyerror Brianna.
Explanation:
In this dictionary we defined in the code the there is no key Brianna hence there is no corresponding value to Brianna.So assigning ages['Brianna] to value will obviously give error since there exits no key with this name.So the code will give error.
The range of cells in column A and rows 10 through 20
