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In every tutorials like 100k, python, node 
js we have discussed about the concepts of 
function.

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00:00:16,300 --> 00:00:26,900
How to create a function & how to use a function..We 
know how to call a function..

3
00:00:27,000 --> 00:00:36,100
What if a function calls itself, it will 
continue as a cycle.

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This concept is called as recursion

5
00:00:41,100 --> 00:00:45,900
We should learn the working of recursion. 
Let us study together..

6
00:00:46,000 --> 00:00:50,800
We can use this concept to solve many problems 
using recursion.

7
00:00:50,900 --> 00:00:57,500
This is very important in case of data structure 
series. We use recursion to define tree structure 
in DS.

8
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We want to analyse how a function calls itself 
and go inside..