Added example code with duplicates in list (#23629)

* Added example code with duplicates in list

* Reworded sentence to introduce duplicates

guide/english/python/lists/list-remove-method/index.md

@@ -32,6 +32,18 @@ Traceback (most recent call last):
   File "<stdin>", line 1, in <module>
 ValueError: list.remove(x): x not in list
 ```
+If there are duplicate elements in the list, the `remove()` function removes the first occurrence of the element. 
+```py
+numbers=[1,2,3,4,5,1,6]
+numbers.remove(1)
+print(numbers)
+```
+#### Output
+```py
+[2,3,4,5,1,6]
+```
+
+
 #### More Information:
 More information about `remove()` can be found <a href='https://docs.python.org/3.6/tutorial/datastructures.html' target='_blank' rel='nofollow'>here</a>