Declare a Boolean variable named validPassword. Use validPassword to output "Valid" if passPhrase contains at least $4$ digits and passPhrase's length is greater than $7.$ Otherwise, output "Invalid". Ex: If the input is dfN$7$q$953,$ then the output is: Valid Ex: If the input is jtsqyJr$,$ then the output is: Invalid Note: isdigit$()$ returns true if a character is a digit, and false otherwise. Ex: isdigit$(\text{'}8\text{'})$ returns true. isdigit$(\text{'}$a$\text{'})$ returns false.