What’s the correct way to initialize an ordered dictionary (OD) so that it retains the order of initial data?
from collections import OrderedDict
# Obviously wrong because regular dict loses order
d = OrderedDict({‘b’:2, ‘a’:1})
# An OD is represented by a list of tuples, so would this work?
d = OrderedDict([(‘b’,2), (‘a’, 1)])
# What about us….
I am struggling with the following problem:
I want to convert an OrderedDict like this:
OrderedDict([(‘method’, ‘constant’), (‘data’, ‘1.225’)])
into a regular dict like this:
{‘method’: ‘constant’, ‘data’:1.225}
because I have to store it as string in a database. After the conversion the order is not important anymore, so I can spare the ordere….
I am having some trouble using the collections.OrderedDict class. I am using Python 2.7 on Raspbian, the Debian distro for Raspberry Pi. I am trying to print two dictionaries in order for comparison (side-by-side) for a text-adventure. The order is essential to compare accurately.
No matter what I try the dictionaries print in their usual unordere….
Lets say I have the following code:
import collections
d = collections.OrderedDict()
d[‘foo’] = ‘python’
d[‘bar’] = ‘spam’
Is there a way I can access the items in a numbered manner, like:
d(0) #foo’s Output
d(1) #bar’s Output
….
Ok so I can use an OrderedDict in json.dump. That is, an OrderedDict can be used as an input to JSON.
But can it be used as an output? If so how? In my case I’d like to load into an OrderedDict so I can keep the order of the keys in the file.
If not, is there some kind of workaround?
….