Python Dictionary Methods: Efficient Dictionary Operations

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A dictionary in Python is an object of the built-in dict class, which defines the following methods −

Sr.No.	Method and Description
1	dict.clear() Removes all elements of dictionary dict.
2	dict.copy() Returns a shallow copy of dictionary dict.
3	dict.fromkeys() Create a new dictionary with keys from seq and values set to value.
4	dict.get(key, default=None) For key key, returns value or default if key not in dictionary.
5	dict.has_key(key) Returns true if a given key is available in the dictionary, otherwise it returns a false.
6	dict.items() Returns a list of dict's (key, value) tuple pairs.
7	dict.keys() Returns list of dictionary dict's keys.
8	dict.pop() Removes the element with specified key from the collection
9	dict.popitem() Removes the last inserted key-value pair
10	dict.setdefault(key, default=None) Similar to get(), but will set dict[key]=default if key is not already in dict.
11	dict.update(dict2) Adds dictionary dict2's key-values pairs to dict.
12	dict.values() Returns list of dictionary dict's values.

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