Sort a nested dictionary in Python

Question

I have the following dictionary.

var = a = { 
  \'Black\': { \'grams\': 1906, \'price\': 2.05},
  \'Blue\': { \'grams\': 9526, \'price\': 22.88},
  \'Gold\':         


        

Answer 1

import collections

update=collections.OrderedDict()
result = sorted(a, key=lambda x: (a[x]['price']))
for r in result:
    update[r]=a[r]

print(update)