To manipulate a list according to the following steps:
Instantiate a list of strings.
Insert three strings into the list.
Remove the first string using RemoveAt([index]).
Remove the third string using Remove([value]).
Modify the second string using its index.
Validation Criteria:
Provide a link to your solution on GitHub.
Ensure that three strings are inserted into the list.
Confirm that the first string is removed using RemoveAt.
Verify that the third string is removed using Remove.
Ensure that the second string is modified.
