Fixing the head deletion problem

du4/a_train.c

@@ -60,20 +60,17 @@ struct car* clear_train(struct car* first, const char* target) {
        free(temp);
        return first;
 
+    }
+    while(first!= NULL && strcmp(first->value, target)){
+           struct car* targetNode = first;
+           first = first->next;
+           free(targetNode);
+
     }
     struct car* prev= first;
     struct car* temp = first->next;
     while (prev && temp)
-    { if (strcmp(prev->value, target) == 0)
-    { struct car* targetNode =prev;
-    prev = temp;
-    temp = temp->next;
-    free(targetNode);
-
-
-        /* code */
-    }
-    
+    { 
         if(strcmp(temp->value, target) == 0){
          struct car* targetNode = temp;
         prev->next = temp->next;