Exam 9: Dictionaries and Sets

What is the correct structure to create a dictionary of months where each month will be accessed by its month number (for example,January is month 1,April is month 4)?

A dictionary can include the same value several times but cannot include the same key several times.

The union of two sets is a set that contains only the elements that appear in both sets.

The __________ of two sets is a set that contains all the elements of both sets.

Which method would you use to get the value associated with a specific key and remove that key-value pair from the dictionary?

What will be the result of the following code? Ages = {'Aaron' : 6,'Kelly' : 3,'Abigail' : 1 } Value = ages['Brianna']

The built-in function,__________,returns the number of items in a set.

Sets are created using curly braces { }.

Sets are immutable.

What is the value of the variable phones after the following code executes? Phones = {'John' : '5555555','Julie' : '5557777'} Phones['John'] = 5556666'

Which would you use to delete an existing key-value pair from a dictionary?

The difference of set1 and aet2 is a set that contains only the elements that appear in set1 but do not appear in set2.

Which would you use to get the number of elements in a dictionary?

What does the get method do if the specified key is not found in the dictionary?

In order to avoid KeyError exceptions,you can check whether a key is in the dictionary using the __________ operator.

To write an object to a file,you use the __________ function of the __________ module.

What is the number of the first index in a dictionary?

The __________ method returns all of a dictionary's keys as a dictionary view.

You would typically use a for loop to iterate over the elements in a set.

A(n)__________ is an object that holds multiple unique items of data in an unordered manner.