Topic 7 - Working with Dictionaries and Sets Flashcards
1
Q
What type of brackets are used with dictionaries in python?
A
Curly brackets, i.e. { }
2
Q
A python dictionary is defined using what two elements?
A
The two elements are keys and values.
3
Q
Is a dictionary in python mutable or immutable?
A
A dictionary is mutable
4
Q
What function would you use to determine how many key/values pairs are in the dictionary “bike_details”
A
len(bike_details)
5
Q
What function is used to remove all key/values pairs from a dictionary?
A
Use the function clear, i.e. bike_details.clear()
6
Q
How would you delete a dictionary entirely?
A
del bike_details
7
Q
Why would you use a set in python?
A
It you needed to contains values where no duplicates are allowed.
8
Q
Is a tuple mutable or immutable?
A
It is immutable, i.e. it can not be changed.
