Declare a Boolean variable named isValidPasswd. Use isValidPasswd to output "Valid" if keyStr contains more than 1 digit and keyStr's length is less than 9 , and "Invalid" otherwise. Ex: If the input is M3gQzqD, then the output is: Valid Ex: If the input is bs 50rKCm, then the output is: Invalid Note: isdigit() returns true if a character is a digit, and false otherwise. Ex: isdigit(' 8 ') returns true. isdigit('a') false