Python Dict Methods

Question 1

dict[key] = value

Answer 1

add or update a value in dictionary

Question 2

update()

Answer 2

updates the dict with the key-value pairs from another dictionary or iterable.
# Initial dictionary
my_dict = {‘a’: 1, ‘b’: 2, ‘c’: 3}

Dictionary with updates
updates = {‘b’: 20, ‘d’: 4}

Update my_dict with updates
my_dict.update(updates)

print(my_dict) # Output: {‘a’: 1, ‘b’: 20, ‘c’: 3, ‘d’: 4}

Question 3

get()

Answer 3

Returns the value of a specified key

Question 4

keys()

Answer 4

Returns a list of containing the keys of the dict.

Question 5

values()

Answer 5

Returns a list of the values of a dict.

Question 6

items()

Answer 6

Returns a list of keys and values containing the key-value pairs of the dict as tuples.

Question 7

pop()

Answer 7

Removes and returns the value associated with the specified key

Question 8

del dict[key]

Answer 8

delete the item with the specified key

Question 9

in/ not in

Answer 9

checking the membership

Question 10

copy()

Answer 10

Returns the shallow copy of the dictionary

Question 11

clear()

Answer 11

Removes all items from the dictionary

Question 12

len()

Answer 12

Returns the number of items in the dictionary.

Question 13

sorted()

Answer 13

Returns a new dictionary sorted by keys