Debugging a linked-list

I’ve debugged this for you. Fixes:

  1. In list_insertn, replace the entire if statement after the "If we exceed list length append at the end" comment with:

    if(list == NULL){
        return list_insert_tail(list, input);
  2. In list_remove, replace the test after the "We check to see if they have the same data" comment with:

    if(strcmp(list->data, input) == 0){
  3. As general clean-up, fix all of the \\n instances to be just \n, and also add any missing \n characters to the end of your various printf format strings that need them.

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