30. Collections Defaultdict: Hackerrank | Python Solution Explained

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In this tutorial, I am showing you how to easily and efficiently tackle this hackerrank challenge. The video will also teach you the fundamentals and necessary operations to achieve that.

#hackerrank #hackerranksolutions #pyhtonhackerrank #defaultdict
00:00 Introduction
00:18 What is defaultdict in Python?
00:44 Difference between dictionary and defaultdict in Python
01:40 How to make a defaultdict in Python?
02:42 What is this task?
03:40 Solution to this task
07:44 How to use enumerate function in Python
12:00 Let's submit the code
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can u explain
print(" ".join(map(str, final_dict[b])))

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