
Python Dictionaries Quiz
Quiz
•
Computers
•
10th Grade
•
Practice Problem
•
Hard
Mick Kilpatrick
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct syntax to create an empty dictionary in Python?
`empty_dict = []`
`empty_dict = {}`
`empty_dict = ()`
`empty_dict = set()`
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you add a key-value pair to a dictionary in Python?
`dict[key] = value`
`dict.add(key, value)`
`dict.append(key, value)`
`dict.insert(key, value)`
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to remove a key-value pair from a dictionary?
`dict.remove(key)`
`dict.pop(key)`
`dict.delete(key)`
`dict.discard(key)`
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you check if a key exists in a dictionary?
`key in dict`
`dict.has_key(key)`
`dict.contains(key)`
`key.exists(dict)`
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What will `len(dict)` return when `dict = {'a': 1, 'b': 2, 'c': 3}`?
`1`
`2`
`3`
`4`
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method returns a list of all the keys in a dictionary?
`dict.keys()`
`dict.values()`
`dict.items()`
`dict.get_keys()`
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the `dict.get(key, default)` method do?
Returns the value for `key` if `key` is in the dictionary, else `default`
Removes the `key` from the dictionary
Adds `default` to the dictionary if `key` is not found
Updates the value of `key` to `default`
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