Changing Order Of Ordered Dictionary In Python

Answer :

OrderedDicts are ordered by insertion order. So you would have to construct a new OrderedDict by looping over the key:value pairs in the original object. There is no OrderedDict method that will help you.

So you could create a tuple to represent the idea order of the keys, and then iterate over that to create a new OrderedDict.

key_order = ('animal', 'people', 'food', 'drink') new_queue = OrderedDict() for k in key_order:     new_queue[k] = queue[k] 

Or more eloquently

OrderedDict((k, queue[k]) for k in key_order) 

Edit: You can write a custom function (warning, this works but is very quick and dirty):

EDIT: Fixed bug that occurs when you try to move forward

import collections  def move_element(odict, thekey, newpos):     odict[thekey] = odict.pop(thekey)     i = 0     for key, value in odict.items():         if key != thekey and i >= newpos:             odict[key] = odict.pop(key)         i += 1     return odict  queue = collections.OrderedDict()  queue["animals"] = ["cat", "dog", "fish"] queue["food"] = ["cake", "cheese", "bread"] queue["people"] = ["john", "henry", "mike"] queue["drinks"] = ["water", "coke", "juice"] queue["cars"] = ["astra", "focus", "fiesta"]  print queue  queue = move_element(queue, "people", 1)  print queue