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Python | Front and rear range deletion in a list
• Last Updated : 21 Feb, 2019

Sometimes, we require to shrink a list by deletion of its certain elements. One of the methods that is employed to perform this particular task is front and rear element deletion. It is a good utility whose solution can be useful to have. Let’s discuss certain ways in which this can be performed.

Method #1 : Using list slicing + `del` operator
The `del` operator can be clubbed with the slicing action to delete the front and rear elements from a list to obtain a cropped version of list.

 `# Python3 code to demonstrate ``# front and rear deletion ``# using del operator + list slicing`` ` `# initializing list ``test_list ``=` `[``2``, ``3``, ``5``, ``7``, ``9``, ``10``, ``8``, ``6``]`` ` `# printing original list``print` `(``"The original list is : "` `+` `str``(test_list))`` ` `# using del operator + list slicing``# front and rear deletion ``del` `test_list[``-``2``:], test_list[:``2``]`` ` `# printing result ``print` `(``"The cropped list is : "` `+`  `str``(test_list))`

Output :

```The original list is : [2, 3, 5, 7, 9, 10, 8, 6]
The cropped list is : [5, 7, 9, 10]
```

Method #2 : Using list slicing
Above method can be modified and the use of del operator can be omitted to achieve this particular task. We can slice a list in a way that specific number of elements are removed from the list.

 `# Python3 code to demonstrate ``# front and rear deletion ``# using list slicing`` ` `# initializing list ``test_list ``=` `[``2``, ``3``, ``5``, ``7``, ``9``, ``10``, ``8``, ``6``]`` ` `# printing original list``print` `(``"The original list is : "` `+` `str``(test_list))`` ` `# using list slicing``# front and rear deletion ``res ``=` `test_list[``2` `: ``-``2``]`` ` `# printing result ``print` `(``"The cropped list is : "` `+`  `str``(res))`

Output :

```The original list is : [2, 3, 5, 7, 9, 10, 8, 6]
The cropped list is : [5, 7, 9, 10]
```

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