Write a Python program to change Brad’s salary to 8500 in the following dictionary.

Change value of a key in a nested dictionary

Write a Python program to change Brad’s salary to 8500 in the following dictionary.

Given:

sample_dict = {
    'emp1': {'name': 'Jhon', 'salary': 7500},
    'emp2': {'name': 'Emma', 'salary': 8000},
    'emp3': {'name': 'Brad', 'salary': 500}
}

Expected output:

{
   'emp1': {'name': 'Jhon', 'salary': 7500},
   'emp2': {'name': 'Emma', 'salary': 8000},
   'emp3': {'name': 'Brad', 'salary': 8500}
}