JSONモジュール基本使用

#!/usr/bin/python3
# -*- coding: utf-8 -*-

import json

# json.loads     json      python   
json_string = '''
{
    "a":"x",
    "b":"y"
}
'''
data = json.loads(json_string)
print(data)
print(type(data))


# json.dumps   python     json    
data = {
    "a":"x",
    "b":"y"
}
json_string = json.dumps(data)
print(json_string)
print(type(json_string))


#   json        
#      
with open('09-test.json','r',encoding='utf-8') as f:
    json_string = f.read()
    data = json.loads(json_string)
    print(data)
    print(type(data))

# json.load   json        
with open('09-test.json','r',encoding='utf-8') as f:
    data = json.load(f)
    print(data)
    print(type(data))



# json.dump  python      json   
data = {
    "a":"x",
    "b":"y",
    "parents":{
        "mother":"  ",
        "father":"  "
    }
}

with open('09-test2.json','w',encoding='utf-8') as f:
    # indent   
    # ensure_ascii     
    json.dump(data,f,indent=4,ensure_ascii=False)