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in Python by (280 points)

Let me say like I have a dictionary with values

{3:42,1:510,2:261,4:159}

I just need to sort this dictionary using the key, so that my sorted dictionary would be

{1:510,2:261,3:42,4:159}

Anyone help me out with this doubt.

1 Answer

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by (26.4k points)

In standard Python, dictionaries are unordered. So, here we can use a function OrderedDict(), which remembers the order of the elements which are all inserted in the dictionary

In [1]: import collections

In [2]: d = {2:3, 1:89, 4:5, 3:0}

In [3]: od = collections.OrderedDict(sorted(d.items()))

In [4]: od

Out[4]: OrderedDict([(1, 89), (2, 3), (3, 0), (4, 5)])

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