Your goal is to find the secret four-color code. The following colors are possible: purple, red, white, green, blue, black.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['purple', 'green', 'blue', 'black']. Hint: one color is in the correct position and three colors are in the secret code but in the wrong position.
Guess: ['purple', 'purple', 'green', 'blue']. Hint: one color is in the correct position and two colors are in the secret code but in the wrong position.
Guess: ['purple', 'blue', 'black', 'green']. Hint: one color is in the correct position and three colors are in the secret code but in the wrong position.
A B C D
purple, black, purple, white green, green, black, green white, black, black, black black, purple, blue, green