Appending a numeric value if the value already exist in one column of excel

Hi Team,

I have an interesting problem where in I need to iterate through one column of excel and check if a particular value has already occurred in that column before if so I need to add _numeric value to it as shown in the image below -

Before updating -

After updating

Hi @shekhawat.arjun1307
I think this would work for you
Main.xaml (14.9 KB)

Nived N

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It works for me, but I have some doubts, what each of these snips actually doing. Please bear with me as I have only worked in python have no experience in C#.

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