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Replace list element based on a condition how to


Q1. Is there a way to replace a list based on a condition? 

I have a list of integers - 

lst1 = {18, 19, 20, 21, 22, 23, 0, 1, 2, 3} 

that I would like to replace with the following rule - 

fncHourFix[h_] := If[(h - 6) < 0, h - 6 + 24, h - 6];

but the replace function - 

lst2 = lst1 /. {i_} :> fncHourFix[{i}] 

- bombs out. 

I've tried several variants.

Any pointers would be appreciated. 

Thanks - Kurt 



      


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