Given a String “ABCDEEF”, remove duplicate characters from the String
ABCDEEF
The resulting string after removing the duplicate characters from input string "ABCDEEF" is "ABCDEF"
Complete the following task based on the instruction and optional input provided.### Instruction:
Given a String “ABCDEEF”, remove duplicate characters from the String

### Input:
ABCDEEF

### Output:
The resulting string after removing the duplicate characters from input string "ABCDEEF" is "ABCDEF"