11.json

import json

# json反序列化
# json_str = '{"name":"qiyue","age":18}'
# student = json.loads(json_str)
# print(type(student))   # <class 'dict'>
# print(student)         # {'name': 'qiyue', 'age': 18}
# print(student['name']) # qiyue

# json_str2 = '[{"name":"qiyue","age":18,"flag":false},{"name":"zouke","age":19}]'
# student = json.loads(json_str2)
# print(type(student))      # <class 'list'>
# print(student)            # [{'name': 'qiyue', 'age': 18, 'flag': False}, {'name': 'zouke', 'age': 19}]
# print(student[0]['name']) # qiyue


#json序列化
student = [
             {'name': 'qiyue', 'age': 18, 'flag': False}, 
             {'name': 'zouke', 'age': 19}
          ]
json_str = json.dumps(student)
print(type(json_str))   # <class 'str'>
print(json_str)         # [{"name": "qiyue", "age": 18, "flag": false}, {"name": "zouke", "age": 19}]