[英]How to print the output in order in python dictionary
我嘗試按標題中的順序打印輸出,但仍然即時接收無序輸出。 請幫忙。
Test.csv
/,9.8G,6.8G,27%
/home,4.8G,3.6G,22%
/opt,9.8G,5.2G,44%
/tmp,3.9G,3.6G,2%
碼
import csv
from collections import OrderedDict
import collections
disk_status = {'DiskStatus': []}
header = ['Mount', 'Total', 'available', 'used']
with open('test.csv') as infile:
reader = csv.reader(infile)
for line in reader:
disk_status["DiskStatus"].append(collections.OrderedDict(dict(zip(header, line))))
print(disk_status)
產量
{'DiskStatus': [{'available': '6.8G', 'Mount': '/', 'Total': '9.8G', 'used': '27%'}, {'available': '3.6G', 'Mount': '/home', 'Total': '4.8G', 'used': '22%'}, {'available': '5.2G', 'Mount': '/opt', 'Total': '9.8G', 'used': '44%'}, {'available': '3.6G', 'Mount': '/tmp', 'Total': '3.9G', 'used': '2%'}]}
預期結果
{'DiskStatus': [{'Mount': '/', 'Total': '9.8G','available': '6.8G','used': '27%'},{'Mount': '/home','Total': '4.8G','available': '3.6G','used': '22%'},{'Mount': '/opt','Total': '9.8G','available': '5.2G',
'used': '44%'},{'Mount': '/tmp','Total': '3.9G','available': '3.6G','used': '2%'}]}
只是不創建dict
,只需將zip
結果傳遞給collections.OrderedDict
:
disk_status["DiskStatus"].append(collections.OrderedDict(zip(header, line)))
對於Python 3.7及更高版本,這不是必需的,因為3.7 dict
保留插入元素的順序( https://docs.python.org/3/whatsnew/3.7.html )
不要在OrderedDict
內部創建字典。 更新的代碼將是
import csv
from collections import OrderedDict
import collections
disk_status = {'DiskStatus': []}
header = ['Mount', 'Total', 'available', 'used']
with open('test.csv') as infile:
reader = csv.reader(infile)
for line in reader:
#updated line
disk_status["DiskStatus"].append(collections.OrderedDict(zip(header, line)))
print(disk_status)
輸出:
{'DiskStatus': [OrderedDict([('Mount', '/'), ('Total', '9.8G'), ('available', '6.8G'), ('used', '27%')]), OrderedDict([('Mount', '/home'), ('Total', '4.8G'), ('available', '3.6G'), ('used', '22%')]), OrderedDict([('Mount', '/opt'), ('Total', '9.8G'), ('available', '5.2G'), ('used', '44%')]), OrderedDict([('Mount', '/tmp'), ('Total', '3.9G'), ('available', '3.6G'), ('used', '2%')])]}
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