string-filtering/groq.py at main · jmboby/string-filtering · GitHub

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input_str = '{"a":"b","e":{"f":"g"},"c":"d"}'

output_str = ""
last_found = 0

while True:
    last_found = input_str.find('{', last_found)
    if last_found == -1:
        break
    output_str += " {\n"
    last_found += 1

    current_level = 1
    i = last_found + 1

    while True:
        i += 1
        if input_str[i] == '{':
            current_level += 1
        elif input_str[i] == '}':
            current_level -= 1
            if current_level == 0:
                output_str += " }\n"
                break
        elif input_str[i] == ',':
            output_str += ",\n"
        else:
            if current_level > 1:
                output_str += " \""
            else:
                output_str += " \""
            while True:
                i += 1
                if input_str[i] == '"':
                    break
                output_str += input_str[i]
            output_str += "\"\n"

    last_found = i

output_str += "}"

print(output_str)