Python PyCaret Sort a Dictionary by Keys














































Python PyCaret Sort a Dictionary by Keys



Sort a Dictionary by Keys

In this article we will discuss how to sort the contents of dictionary by key or value.

Suppose we have a dictionary of string and ints i.e.

# Dictionary of strings and ints
wordsFreqDict = {
"hello": 56,
"at" : 23 ,
"test" : 43,
"this" : 43
}

Dictionary is like a hash table that store the elements by calculating hashes of keys and orders of elements in it can not be predicted. 

Sort a dictionary contents by key

->using dict.keys()

dict.keys()

It returns a iterable view of all the keys in dictionary.

We can create a new sorted dictionary from this iterable sequence of keys i.e.

sorted(wordsFreqDict.keys())

Now we will iterate over this sorted list of keys and select each entry from dictionary i.e.
'''
Iterate over a sorted list of keys and select value from dictionary for each key
and print the key value pairs in sorted order of keys
'''
for key in sorted(wordsFreqDict.keys()) :
print(key , " :: " , wordsFreqDict[key])

It will print the dictionary in a sorted order of keys i.e.
at :: 23
hello :: 56
test :: 43
this :: 43


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