Python 从嵌套较多的字典中的一组值创建列表
我试图用这个嵌套字典中的时间戳创建一个列表,但遇到了困难Python 从嵌套较多的字典中的一组值创建列表,python,python-3.x,dictionary,Python,Python 3.x,Dictionary,我试图用这个嵌套字典中的时间戳创建一个列表,但遇到了困难 { '_class': 'org.jenkinsci.plugins.workflow.job.WorkflowJob', 'builds': [ { '_class': 'org.jenkinsci.plugins.workflow.job.WorkflowRun', 'timestamp': 1571731200315 },
{
'_class': 'org.jenkinsci.plugins.workflow.job.WorkflowJob',
'builds': [
{
'_class': 'org.jenkinsci.plugins.workflow.job.WorkflowRun',
'timestamp': 1571731200315
},
{
'_class': 'org.jenkinsci.plugins.workflow.job.WorkflowRun',
'timestamp': 1571731020310
},
{
'_class': 'org.jenkinsci.plugins.workflow.job.WorkflowRun',
'timestamp': 1571730995706
}, {
'_class': 'org.jenkinsci.plugins.workflow.job.WorkflowRun',
'timestamp': 1571730900316
}, {
'_class': 'org.jenkinsci.plugins.workflow.job.WorkflowRun',
'timestamp': 1571730600313
}
]
}
我尝试了以下方法,但由于第二个值本身由嵌套字典组成,因此它没有像我希望的那样解析时间戳:
dictList=[]
for key, value in dict.items():
dictList.append([value])
print (dictList[1])
此尝试的输出如下所示:
[
[
{
'_class': 'org.jenkinsci.plugins.workflow.job.WorkflowRun',
'timestamp': 1571731200315
},
{
'_class': 'org.jenkinsci.plugins.workflow.job.WorkflowRun',
'timestamp': 1571731020310
},
{
'_class': 'org.jenkinsci.plugins.workflow.job.WorkflowRun',
'timestamp': 1571730995706
},
{
'_class': 'org.jenkinsci.plugins.workflow.job.WorkflowRun',
'timestamp': 1571730900316
},
{
'_class': 'org.jenkinsci.plugins.workflow.job.WorkflowRun',
'timestamp': 1571730600313
}
]
]
我如何深入到嵌套内容中并仅检索时间戳
dict = {'_class': 'org.jenkinsci.plugins.workflow.job.WorkflowJob', 'builds': [{'_class': 'org.jenkinsci.plugins.workflow.job.WorkflowRun', 'timestamp': 1571731200315}, {'_class': 'org.jenkinsci.plugins.workflow.job.WorkflowRun', 'timestamp': 1571731020310}, {'_class': 'org.jenkinsci.plugins.workflow.job.WorkflowRun', 'timestamp': 1571730995706}, {'_class': 'org.jenkinsci.plugins.workflow.job.WorkflowRun', 'timestamp': 1571730900316}, {'_class': 'org.jenkinsci.plugins.workflow.job.WorkflowRun', 'timestamp': 1571730600313}]}
timestamps = []
for i in dict['builds']:
timestamps.append(i['timestamp'])
print(timestamps)
我不清楚这是您想要的,但这可以将所有时间戳放入列表。可能用户使用这些项是有原因的。否则,他只会重复列表。虽然物品是为dict准备的,但我很好奇OP是在尝试一些特定的东西,还是不知道如何浏览列表。