[Recursion Algorithm In Practice] This script look for str objects in all sub childrens of a dict to replace values, using a recursion function.

recursion_replace_dict_sub_values.py

def replace_dynamic_variable(element):
    # If the element is a string, replace "{variable_dynamic}" with "hacked"
    if isinstance(element, str):
        element = element.replace("{variable_dynamic}", "hacked")
    
    # If the element is a dictionary, iterate through each key-value pair
    elif isinstance(element, dict):
        for key, value in element.items():
            element[key] = replace_dynamic_variable(value)

    # If the element is a list, iterate through each item
    elif isinstance(element, list):
        for i, value in enumerate(element):
            element[i] = replace_dynamic_variable(value)

    # If the element is a tuple, create a new tuple with replaced values
    elif isinstance(element, tuple):
        element = tuple(replace_dynamic_variable(list(element)))

    # If the element is a set, create a new set with replaced values
    elif isinstance(element, set):
        element = {replace_dynamic_variable(value) for value in element}
    
    # Return the element with possibly replaced values
    return element

def replace_in_config(config):
    return replace_dynamic_variable(config)

# Example usage:
original_config = {
    'host': 'localhost',
    'port': '{variable_dynamic}',
    'credentials': {
        'username': 'admin',
        'password': '{variable_dynamic}',
        'categories': [
            {'tag': '{variable_dynamic}'}
        ]
    },
    'features': ['feature1', '{variable_dynamic}'],
    'tuple_data': ('data1', '{variable_dynamic}'),
    'set_data': {'data1', '{variable_dynamic}'}
}

modified_config = replace_in_config(original_config)
print(modified_config)

# {'host': 'localhost',
#     'port': 'hacked',
#     'credentials': {
#         'username': 'admin',
#         'password': 'hacked'},
#         'categories': [{'tag': 'hacked'}]}
#     'features': ['feature1', 'hacked'],
#     'tuple_data': ('data1', 'hacked'),
#     'set_data': {'data1', 'hacked'}}