Guess My Number from TT

Guess My Number app generates a number of 4 digits. For example: 1234. You will need to guess this number. For each guess, we will tell you how many digits are correct and how many positions are correct. For example, if you guess 1243. You have 4 correct digits as 1, 2, 3 and 4 exist in 1234. You have only 2 correct positions as only 1 and 2 are in the correct positions.