如何获取存储在Python字典中的列表?
我有一个字典,其中每个键都有多个值作为列表分配 输出如下所示:如何获取存储在Python字典中的列表?,python,list,dictionary,automation,Python,List,Dictionary,Automation,我有一个字典,其中每个键都有多个值作为列表分配 输出如下所示: >>> print(db_state) defaultdict(<class 'list'>, {'787777': ['firstdb', 'online', 'seconddb', 'enabled', 'thirtdb', 'terminated'], '332123': ['forthdb', 'terminated', 'fifthdb', 'online'], '85756': ['sixt
>>> print(db_state)
defaultdict(<class 'list'>, {'787777': ['firstdb', 'online', 'seconddb', 'enabled', 'thirtdb', 'terminated'], '332123': ['forthdb', 'terminated', 'fifthdb', 'online'], '85756': ['sixthdb', 'online'], '85787673': ['seventhdb', 'enabled', 'eighthdb', 'terminated'] ...
my_list = db_state.get(db_id)
if my_list is not None:
print(f"This is list of db_nr and states for {db_id}:")
for db_nr, status in my_list:
print(f"{db_nr} is {status}")
else:
print(f"No data for {db_id}!!")
我想在key db_details等于脚本不同部分的变量db_id时提取列表,这里不可见
然后,当我得到我的_列表时,我可以使用如下脚本获得正确的输出:
>>> print(db_state)
defaultdict(<class 'list'>, {'787777': ['firstdb', 'online', 'seconddb', 'enabled', 'thirtdb', 'terminated'], '332123': ['forthdb', 'terminated', 'fifthdb', 'online'], '85756': ['sixthdb', 'online'], '85787673': ['seventhdb', 'enabled', 'eighthdb', 'terminated'] ...
my_list = db_state.get(db_id)
if my_list is not None:
print(f"This is list of db_nr and states for {db_id}:")
for db_nr, status in my_list:
print(f"{db_nr} is {status}")
else:
print(f"No data for {db_id}!!")
总结一下,我应该如何从db_state字典中提取我现在称为my_list的列表部分?我不确定索引在这里是否是个好主意。也许还有其他更简单的方法
dict = {"Letters": list}
print(dict)
只需定义列表并添加名称作为值看起来需要使用步骤参数和zip进行列表切片 例: 输出:
将默认dict作为元组列表不是更容易吗。您可以将字典创建为db_state[db_nr].appenddb_nr,status,但是,关于db_的详细信息呢?这是一个关键参数,如果没有这个参数,并且检查它是否等于db_id,我就找不到特定数据库的正确数据。
firstdb is online
seconddb is enabled
thirtdb is terminated