Python Dictionary Deep Dive Quiz Quiz

1. Dictionary Keys Method

   Which method returns a list of all keys in a Python dictionary?

   1. all_keys()
   2. keys()
   3. getKeyList()
   4. listKeys()
   5. KeyList()

2. Dictionary Mutability

   Are Python dictionaries mutable objects, allowing for changes after creation?

   1. No, dictionaries are immutable.
   2. Only the keys are mutable.
   3. Only the values are mutable.
   4. Yes, dictionaries are mutable.
   5. Dictionaries are mutable, but only when initially defined.

3. Dictionary Length

   Which function can be used to determine the number of key-value pairs in a dictionary?

   1. size()
   2. length()
   3. count()
   4. len()
   5. sizeof()

4. Dictionary Item Removal

   Which method removes and returns an arbitrary key-value pair from a dictionary?

   1. remove()
   2. delete()
   3. pop()
   4. popitem()
   5. clear()

5. Dictionary Clearing

   What method removes all items from a dictionary, leaving it empty?

   1. remove_all()
   2. flush()
   3. clear()
   4. empty()
   5. removeAll()

6. Nested Dictionaries

   How can you access a value within a nested dictionary, assuming the structure is two levels deep?

   1. dict[key1, key2]
   2. dict.key1.key2
   3. dict[key1][key2]
   4. dict.get(key1, key2)
   5. dict(key1, key2)

7. Sorting Dictionaries

   What function should be used to sort a dictionary?

   1. order()
   2. sort()
   3. sorted()
   4. arrange()
   5. reorder()

8. Dictionary Views Method

   Which method returns a list consisting of key and value tuples?

   1. tuple()
   2. pairs()
   3. lists()
   4. items()
   5. dictionaryitems()

9. Dictionary Existence Check

   How can you check if a specific key exists in a dictionary?

   1. Using a try-except block with KeyError
   2. Using the 'exists' keyword
   3. Using the 'contains' method
   4. Using the 'if' statement with the 'in' operator
   5. Using the 'has_key' method

10. Merging Dictionaries

    What operator, available in Python 3.9 and later, can be used to merge two dictionaries?

    1. +
    2. *
    3. |
    4. u0026
    5. ^