python在一个字典中的字典中循环遍历列表

时间:2019-04-30 09:16:43

标签: python dictionary

我有一本字典,其中包含以下字典列表:

output = { "Facebook": [
    { "prefix": "5.45.32.0\/22", "exact": true },
    { "prefix": "185.160.58.0\/23", "exact": false, "greater-equal": 24, "less-equal": 24 },
    { "prefix": "5.57.248.0\/21", "exact": true },
    { "prefix": "5.206.208.0\/20", "exact": true },
    { "prefix": "185.54.94.0\/23", "exact": false, "greater-equal": 24, "less-equal": 24 },
    { "prefix": "31.193.104.0\/21", "exact": true },
    { "prefix": "213.233.192.0\/18", "exact": true },
    { "prefix": "217.26.96.0\/20", "exact": true }
] }

for line in output:
    print(line['prefix")

我想遍历整个过程,像这样打印每行:

5.45.32.0, True
185.160.58.0, 24

例如,从第一项中删除\/22 有人可以帮助我了解我如何使其工作吗?

3 个答案:

答案 0 :(得分:0)

output = { "Facebook": [
    { "prefix": "5.45.32.0\/22", "exact": 'true' },
    { "prefix": "185.160.58.0\/23", "exact": 'false', "greater-equal": 24, "less-equal": 24 },
    { "prefix": "5.57.248.0\/21", "exact": 'true' },
    { "prefix": "5.206.208.0\/20", "exact": 'true' },
    { "prefix": "185.54.94.0\/23", "exact": 'false', "greater-equal": 24, "less-equal": 24 },
    { "prefix": "31.193.104.0\/21", "exact": 'true' },
    { "prefix": "213.233.192.0\/18", "exact": 'true' },
    { "prefix": "217.26.96.0\/20", "exact": 'true'}
] }

for item in output['Facebook']:
    if item['exact'] == 'true':
        print ("{}, {}".format(item['prefix'].split('\/')[0], item['exact']))
    else:
        print ("{}, {}".format(item['prefix'].split('\/')[0], item['greater-equal']))

输出:

5.45.32.0, true
185.160.58.0, 24
5.57.248.0, true
5.206.208.0, true
185.54.94.0, 24
31.193.104.0, true
213.233.192.0, true
217.26.96.0, true

或:

  

注意:如果您要像字符串或True一样使用'true',请注意:    like 布尔值

output = { "Facebook": [
    { "prefix": "5.45.32.0\/22", "exact": True },
    { "prefix": "185.160.58.0\/23", "exact": False, "greater-equal": 24, "less-equal": 24 },
    { "prefix": "5.57.248.0\/21", "exact": True },
    { "prefix": "5.206.208.0\/20", "exact": True },
    { "prefix": "185.54.94.0\/23", "exact": False, "greater-equal": 24, "less-equal": 24 },
    { "prefix": "31.193.104.0\/21", "exact": True },
    { "prefix": "213.233.192.0\/18", "exact": True },
    { "prefix": "217.26.96.0\/20", "exact": True }
] }


for item in output['Facebook']:
    if item['exact'] == True:
        print ("{}, {}".format(item['prefix'].split('\/')[0], item['exact']))
    else:
        print ("{}, {}".format(item['prefix'].split('\/')[0], item['greater-equal']))

答案 1 :(得分:0)

这应该有效。

output = { "Facebook": [
    { "prefix": "5.45.32.0\/22", "exact": True },
    { "prefix": "185.160.58.0\/23", "exact": False, "greater-equal": 24, "less-equal": 24 },
    { "prefix": "5.57.248.0\/21", "exact": True },
    { "prefix": "5.206.208.0\/20", "exact": True },
    { "prefix": "185.54.94.0\/23", "exact": False, "greater-equal": 24, "less-equal": 24 },
    { "prefix": "31.193.104.0\/21", "exact": True },
    { "prefix": "213.233.192.0\/18", "exact": True },
    { "prefix": "217.26.96.0\/20", "exact": True }
] }

#Iterate through all dictionaries
for dct in output['Facebook']:

    #Get value of prefix and exact
    prefix = dct['prefix'].split('\/')[0]
    exact = dct['exact']

    #If exact is present, use it, 
    if exact:
        print('{} {}'.format(prefix, exact))
    #Else use greater-equal key
    else:
        gr_eq = dct.get('greater-equal')
        print('{} {}'.format(prefix, gr_eq))

输出将为

5.45.32.0 True
185.160.58.0 24
5.57.248.0 True
5.206.208.0 True
185.54.94.0 24
31.193.104.0 True
213.233.192.0 True
217.26.96.0 True

还要注意,"exact": true会引发语法错误,而应该执行"exact": True,因为布尔值由True而不是true表示。

答案 2 :(得分:0)

output = { "Facebook": [
    { "prefix": "5.45.32.0\/22", "exact": True },
    { "prefix": "185.160.58.0\/23", "exact": False, "greater-equal": 24, "less-equal": 24 },
    { "prefix": "5.57.248.0\/21", "exact": True },
    { "prefix": "5.206.208.0\/20", "exact": True },
    { "prefix": "185.54.94.0\/23", "exact": False, "greater-equal": 24, "less-equal": 24 },
    { "prefix": "31.193.104.0\/21", "exact": True },
    { "prefix": "213.233.192.0\/18", "exact": True },
    { "prefix": "217.26.96.0\/20", "exact": True }
] }

facebook_apis = output['Facebook']

for facebook_api in facebook_apis:
    # print(facebook_api['prefix'])
    try:
        print(str(facebook_api['prefix'].split("\/")[0]) + ', ' + str(facebook_api['greater-equal']))
    except:
        print(str(facebook_api['prefix'].split("\/")[0]) + ", " + str(facebook_api["exact"]))

输出将是:

5.45.32.0, True
185.160.58.0, 24
5.57.248.0, True
5.206.208.0, True
185.54.94.0, 24
31.193.104.0, True
213.233.192.0, True
217.26.96.0, True