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[英]Iterate through a list of key and value pairs and get specific key and value using Python
[英]Iterate through a json list and get specific key and value with Python
我有一個這樣的JSON列表(這是一個JSON響應,以下是在我執行json.loads
)
[{'status': 'ok', 'slot': None, 'name': 'blah', 'index': 0, 'identify': 'off',
'details': None, 'speed': None, 'temperature': None}, {'status': 'ok', 'slot':
None, 'name': 'blah0', 'index': 0, 'identify': 'off', 'details': None,
'speed': None, 'temperature': None}, {'status': 'ok', 'slot': None, 'name':
'blah1', 'index': 1, 'identify': 'off', 'details': None, 'speed': None,
'temperature': None}, {'status': 'ok', 'slot': None, 'name': 'blah2',
'index': 2, 'identify': 'off', 'details': None, 'speed': None, 'temperature':
None}, {'status': 'ok', 'slot': None, 'name': 'blah3', 'index': 3,
'identify': 'off', 'details': None, 'speed': None, 'temperature': None}]
我想這兩個name
和status
列表,如果name='blah' or 'blah0' or 'blah1' or 'blah2' or 'blah3'
從本質上講,所有我想要的比賽來存儲所有的name
和status
在單獨的變量中以在其他地方使用。 (可以動態創建變量或靜態分配它們也對我有用)
我嘗試了這個,但似乎並沒有按照我想要的方式工作。
for value in data:
if value['name'] in ['blah', 'blah0', 'blah1', 'blah2', 'blah3']:
print(value['name'], value['status'])
這將name
和status
作為字符串打印在另一行的下方。 但我希望將每個名稱和狀態分配給一個變量,以便以后使用。 任何幫助深表感謝!
您實際上並不需要動態變量,但是可以使用列表推導。 您還應該利用固定成本集合成員資格測試:
keep = set(['blah', 'blah0', 'blah1', 'blah2', 'blah3'])
result = [(value['name'], value['status']) for value in data if value['name'] in keep]
print(result)
輸出:
[('blah', 'ok'),
('blah0', 'ok'),
('blah1', 'ok'),
('blah2', 'ok'),
('blah3', 'ok')]
如果您想要字典:
keep = set(['blah', 'blah0', 'blah1', 'blah2', 'blah3'])
result = {value['name']: value['status'] for value in data if value['name'] in keep}
print(result)
編輯嘗試類似:
new_data = []
# Extract all the data and map them by name and status
for value in data:
name = value.get("name")
status = value.get("status")
if name in ['blah', 'blah0', 'blah1', 'blah2', 'blah3']:
new_data.append(dict(
name=name,
status=status))
選項1
# loop through the new data
for data in new_data:
print(data)
# OUTPUT:
{'name': 'blah', 'status': 'ok'}
{'name': 'blah0', 'status': 'ok'}
{'name': 'blah1', 'status': 'ok'}
{'name': 'blah2', 'status': 'ok'}
{'name': 'blah3', 'status': 'ok'}
選項2
for data in new_data:
for key, value in data.items():
print(key, value)
#OUTPUT:
name blah
status ok
name blah0
status ok
name blah1
status ok
name blah2
status ok
name blah3
status ok
選項3
for data in new_data:
print(data['name'], data['status'])
#OUTPUT
blah ok
blah0 ok
blah1 ok
blah2 ok
blah3 ok
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