Python: Update Dictionary

The update() method updates the dictionary with the elements from the another dictionary object or from an iterable of key/value pairs.

Syntax:

dictionary.update(iterable)

Parameter:

This method takes either a dictionary or an iterable object of key/value pairs (generally tuples).

Return:

The method takes either a dictionary or an iterable object of key/value pairs (generally tuples).

Example:

dict_1 = {1:'a',2:'b'}
dict_2 = {3:'c',4:'d'}
dict_1.update(dict_2)
print(dict_1)

Output: {1: 'a', 2: 'b', 3: 'c', 4: 'd'}