Which of the following generates a view-object that represents a list of tuples of the contents of the dictionary called grade_dict?   

class_id_to_name ＝ { 11943: ‘COMP SCI 220’, 206071:  ‘COMP SCI 200’, 24285: ‘COMP SCI 300’, 151199: ‘COMP SCI 320’, 98330: ‘STATS 324’} By accessing the elements of this dictionary, how can you print the following?

What are the contents of the following variables after this code is run?  first = {5, 2, 7, 3, 5} second = {2, 8} first first | second  first & second first < second

Select all operations for which we can use square brackets

Obturating the canals is defined as ____________.

If the pulp is inflamed but can heal itself when the irritant is removed, it is ____________.

When using a cold test to check pulp vitality, ice is placed on the ____________.

When using an electric pulp tester, toothpaste is used to ____________.

The intracanal instrument that is used to enlarge and smooth the canal is the ____________.

Which tool is used to prepare the canal for a post?