from distutils.log import warn as printf #应对python2和3的print的差异
from json import dumps
from pprint import pprint #pprint.pprint()用来美观地输出Python对象
BOOKs = {
'001': {
'title': 'name1',
'edition': 2,
'year': 2007,
},
'002': {
'title': 'name2',
'authors': '无缘浪子党',
},
}
printf ('*** RAW DICT*** ')
printf (BOOKs)
printf('\n *** PRETTY_PRINTED DICT ***')
pprint(BOOKs)
printf('\n***RAW JSON***')
printf(dumps(BOOKs))
printf('\n *** PRETTY_PRINTED JSON ***')
printf(dumps(BOOKs, indent=4)) #将json格式化输出
此处基于Python3.72可以运行,
*** RAW DICT***
{'001': {'title': 'name1', 'edition': 2, 'year': 2007}, '002': {'title': 'name2', 'authors': '无缘浪子党'}}
*** PRETTY_PRINTED DICT ***
***RAW JSON***
{"001": {"title": "name1", "edition": 2, "year": 2007}, "002": {"title": "name2", "authors": "\u65e0\u7f18\u6d6a\u5b50\u515a"}}
*** PRETTY_PRINTED JSON ***
{
"001": {
"title": "name1",
"edition": 2,
"year": 2007
},
"002": {
"title": "name2",
"authors": "\u65e0\u7f18\u6d6a\u5b50\u515a"
}
}
{'001': {'edition': 2, 'title': 'name1', 'year': 2007},
'002': {'authors': '无缘浪子党', 'title': 'name2'}}
Process finished with exit code 0
ps:此处是字典转换为JSON,也可以将数据从列表或者元组转成JSON。