You need to unlock a secret code using following clues

Clue-1 : 0 7 9 (One of the numbers is correct and is placed in its correct position)
Clue-2 : 0 3 2 (Nothing is correct)
Clue-3 : 1 0 8 (Two numbers are correct but not placed at its correct position.)
Clue-4 : 9 2 6 (One number is correct but not placed at its correct position.)
Clue-5 : 6 7 8 (One number is correct but not placed at its correct position.)

819

* 0 7 9 : 9 is placed correctly
* 0 3 2 : None of the numbers is in the code
* 1 0 8 : 1 and 8 are correct number of code but placed at wrong position
* 9 2 6 : Number 9 is there but placed at wrong position
* 6 7 8 : Number 8 is there but placed at wrong position


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