Implement a simple text editor. The editor initially contains an empty string, . Perform the ff operations append - Append string to the end of . delete - Delete the last characters of . print - Print the character of . undo - Undo the last (not previously undone) operation of type or , reverting to the state it was in prior to that operation.
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View Code? Open in Web Editor NEWImplement a simple text editor. The editor initially contains an empty string, . Perform the ff operations