import json file_path = "original_configure.json" with open(file_path, "r", encoding="utf-8") as f: data = json.load(f) print(data[10]) for i in range(10, 29): data[i] = 4 print(data) with open(f"configure_{i}-2to4.json", "w", encoding="utf-8") as f: json.dump(data, f, ensure_ascii=False, indent=2) data[i] = 2