formatByExample is a built in Graphical Mapping function which is under Node Functions. In order to know what it does kindly go through the link given below : formatByExample Help
Did you try that example given? Had you tried it, you would have noticed the difference between what that has been said and what that has been figured and what that has come.
If not Let us try this:
Input and Output Structures:
Sample Input and Output:
What is wrong with it?
We have to notice the missing “B2” value in the snapshot given in the link.
So the actual snapshot should have been
Hope now the UnNoticed gets Noticed!!