Thank you so much for taking the time to go through the code and for the feedback.
I definitely see the point you make about the head, and it makes a lot of sense.
As for the while loop on the insert, there is no use for *P, and I don't know why I put it there.
Plus you can also try double pointers i.e passing a double pointer to head to the functions and abstain from returning head to update the actual head :)
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Thank you so much for taking the time to go through the code and for the feedback.
I definitely see the point you make about the head, and it makes a lot of sense.
As for the while loop on the insert, there is no use for *P, and I don't know why I put it there.
Plus you can also try double pointers i.e passing a double pointer to head to the functions and abstain from returning head to update the actual head :)