Update 10.2.md

Edited Ex. 10.2-1. You can delete a node from the list in O(1) time if you pass to argument a node you want to delete.
Seaicel · Apr 5, 2019 · 0c36a10 · 0c36a10
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diff --git a/docs/Chap10/10.2.md b/docs/Chap10/10.2.md
@@ -10,7 +10,7 @@
         L.head = x
     ```
 
-- $\text{DELETE}$: cannot be implemented in constant time, unless you pass to it as an argument the predecessor of the element you are deleting.
+- $\text{DELETE}$: you can copy the value from the successor to element you want to delete, and then you can delete the successor in $O(1)$ time. This solution is not good in situations when you have a large object, in that case copying the whole object will be a bad idea.
 
 ## 10.2-2