cow bull
the game

rules
objective: the goal of the game is to guess an unknown 4-digit code.
gameplay:
  1. secret code : a secret 4-digit code made up of unique digits ( 1 to 9 )
  2. guessing : players make a guess by entering a 4-digit number into the input field.
  3. feedback:
    after each guess, the game provides feedback by providing the number of "cows" and "bulls":
    • cow : a correct digit in the wrong position.
    • bull : a correct digit in the correct position.
  4. winning : the game continues until the player correctly guesses the entire code ( 4 bulls ) .
thats about it, enjoy your play