Ordered Dict, preserve initial Order

Question

Ordered Dict:

import collections
d = {\'banana\': 3, \'apple\':4, \'pear\': 1, \'orange\': 2}
collections.OrderedDict(sorted(d.items(), key=lamb         


        

Answer 1

Once you initialized regular dict with your items the order is gone. So just initialize ordered dict in initial order:

import collections as co

co.OrderedDict([(a, b) for a, b in list_of_pairs])
# or
d = co.OrderedDict()
for a, b in list_of_pairs:
    d[a] = b