Python3.8 - The Walrus Operator
In Python 3.8, we will be able to use assignment as a part of the large expressions. It has a new syntax :=
1. if-else block
2. In while-loop:
here we save one line by using the Walrus Operator.
3. In for-loops:
< Python 3.8
Notice that this is not a good practise as we need to call call_some_function(number) twice in the comprehension.
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