[英]Return parent dictionary if key value exists
如果我有一个包含这些词典的文件:
bank = {
"88386180860608512" : {
"balance" : 100,
"name" : "Aehnon"
},
"88469127777243136" : {
"balance" : 100,
"name" : "Balanceofevil"
},
"89741285950246912" : {
"balance" : 3310,
"name" : "Sharky"
}
}
如果此计算结果为True:
b = [subdict["Name"] for subdict in bank.values()]
if "Sharky" in b:
return True
else:
return False
如何打印它所属的字典,89741285950246912?
迭代项目以获得两个key
(89741285950246912)和value
:
for account_no, account in bank.items():
if account['name'] == 'Sharky':
print(account_no)
打印:
89741285950246912
您可以使用列表推导来返回键列表。
>>> bank = {
... "88386180860608512" : {
... "balance" : 100,
... "name" : "Aehnon"
... },
... "88469127777243136" : {
... "balance" : 100,
... "name" : "Balanceofevil"
... },
... "89741285950246912" : {
... "balance" : 3310,
... "name" : "Sharky"
... }
... }
>>> [key for key, value in bank.items() if value['name'] == 'Sharky']
['89741285950246912']
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