# eval_dict.py

# eval_dict.py

original_dict = {'a': 1, 'b': [2, 3], 'c': {'x': 4, 'y': 5}}
copied_dict = eval(str(original_dict))

# Modify a nested object in the original dictionary
original_dict['b'].append('***b***')
original_dict['c']['x'] = '***4>>>c/x***'