4_2 json文字列回転Pythonオブジェクト

 1 """json    Python  """
 2 
 3 
 4 import json
 5 
 6 json_str = '[{"username": "  ", "age": 18, "country": "china"}, {"username": "lisi", "age": 20, "country": "USA"}]'
 7 # json    Python  
 8 persons = json.loads(json_str)
 9 print(type(persons))        # 
10 for person in persons:
11     print(person)
12 
13 #  json     json  
14 with open('4_1person.json', 'r', encoding='utf-8') as fp:
15     persons = json.load(fp)
16 print(type(persons))  # 
17 for person in persons:
18     print(person)