the isonlydigits(helps determine if the player entered valid guess line checks if num is the blank stringand if soreturns false for in numif not in ' split()return false return true the for loop iterates over each character in the string num the value of will have single character on each iteration inside the for-blockthe code checks if doesn' exist in the list returned by ' split((the return value from split(is equivalent to [' '' '' '' '' '' '' '' '' '' 'but is easier to type if it doesn'tyou know there' non-digit character in num in that caseline returns false if execution continues past the for loopthen you know that every character in num is digit in that caseline returns true finding out if the player wants to play again def playagain() this function returns true if the player wants to play againotherwise it returns false print('do you want to play again(yes or no)' return input(lower(startswith(' 'the playagain(function is the same one you used in hangman and tic tac toe the long expression on line evaluates to either true or false based on the answer given by the player the start of the game numdigits maxguess print(' am thinking of % -digit number try to guess what it is (numdigits) print('here are some clues:' print('when saythat means:' print(pico one digit is correct but in the wrong position ' print(fermi one digit is correct and in the right position ' print(bagels no digit is correct 'post questions to