What is the technique for adding values into a python dictionary that is nested?

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To add values into a nested dictionary in Python, you can use multiple methods.

Method 1: Using the key to access the nested dictionary

You can use the key to access the nested dictionary and add the value.

Example:

# Initializing the nested dictionary
my_dict = {'a': {'b': {'c': 0}}}

# Adding value to the nested dictionary
my_dict['a']['b']['c'] = 1

# Printing the updated dictionary
print(my_dict)

Output:

{'a': {'b': {'c': 1}}}

Method 2: Using the setdefault() method

You can also use the setdefault() method to add values to a nested dictionary. This method sets a key-value pair in the dictionary if it is not already present.

Example:

# Initializing the nested dictionary
my_dict = {}

# Adding value to the nested dictionary
my_dict.setdefault('a', {}).setdefault('b', {})['c'] = 2

# Printing the updated dictionary
print(my_dict)

Output:

{'a': {'b': {'c': 2}}}