Given the following dictionary in python.
dict = {'site1': {'status': 200}, 'site2': {'status': 200}, 'site3': {'status': 200}}
How can I iterate and access the values of a sub dictionary?
for sub in dict.items():
print(sub["status"])
gives error: tuple indices must be integers or slices, not str
Desired outcome: print 3 strings indicating site status for each sub dict.
items() returns a tuple of (key, value), so for loop should like this:
dct = {'site1': {'status': 200}, 'site2': {'status': 200}, 'site3': {'status': 200}}
for key, value in dct.items():
print(value['status'])
Out:
200
200
200
dict.items() returns iterable of tuple pairs (key, value). In here you want to further index a value, so you should either do:
for sub in dict.values():
print(sub["status"])
to iterate values only.
Or:
for key, sub in dict.items():
print(sub["status"])
to unpack the tuple (that's what one usually does when dealing with dict.items()).
Of course you could also index the tuple first - sub[1]["status"] but it's not as readable.
PS You should never name your dicts just dict (nor lists list) - it's a build-in name used to denote the type. Changing it might introduce bugs later on.
for sub in dict.values():
print(sub)
#that will gives you list of dictionaries
{'status': 200} {'status': 200} {'status': 200}
Now to print key values
for sub in dict.values():
print(sub['status'])
for site_name, data in dict.items():...