Iterate JSON structure in Python

iterate_dict.py

def iterate_dict(d, path="", level=0):
    for key, value in d.items():
        new_path = f"{path}.{key}" if path else key
        if isinstance(value, dict):
            yield new_path
            yield from iterate_dict(value, new_path, level+1)
        else:
            yield new_path

with open(filename, 'r') as f:
    some_dict = json.load(f)

for line in iterate_dict(some_dict):
    print(line)