C Linked List 7: Delete first node Singly Linked List [C Programming]

Delete first node Singly Linked List.

Expected Output :
Input the number of nodes : 3
Input data for node 1 : 2
Input data for node 2 : 3
Input data for node 3 : 4

Data entered in the list are :
Data = 2
Data = 3
Data = 4

Data of node 1 which is being deleted is : 2

Data after deletion of first node :
Data = 3
Data = 4

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