A function to traverse and list all keys in a JSON or Dictionary

get_all_keys.py

def get_all_keys(d, key=[]):
    '''
    A recursive function that traverses json keys in a dict `d`,
    and prints the path to all keys
    '''
    if not isinstance(d, dict):
        print(''.join(['["' + k + '"]' for k in key]))
        return
    
    for k, v in d.items():
        key_path = key + [k]
        get_all_columns(d[k], key_path)