import json # 1.字符串和 dic list转换 # 字符串(json)----dict list data = ‘[{"name":"张三","age":20},{"name":"李四","age":18}]‘ list_data = json.loads(data) # dict list ---字符串 list2 = [{"name": "张三", "age": 20}, {"name": "李四", "age": 18}] data_json = json.dumps(list2) # 2.文件对象 和 dict list转换 # dict list 写入文件 list2 = [{"name": "张三", "age": 20}, {"name": "李四", "age": 18}] # fp 是 file path fp = open(‘02new.json‘, ‘w‘) json.dump(list2, fp) fp.close() # 读取文件json -----list dict resulst = json.load(open(‘02new.json‘, ‘r‘)) print(resulst)