Discussion on: Daily Challenge #224 - Password Validator

var = input("Enter the password: ")
aflag = 0
nflag = 0
sflag = 0

if len(var) < 4 or len(var) > 19:
        print("INNVALID")
else:
        for i in var:
                if i.isalpha():
                        aflag += 1
                elif i.isnumeric():
                        nflag += 1
                else:
                        sflag += 1
                        break

        if aflag == 0 or nflag == 0 or sflag != 0:
                print("INVALID")
        else:
                print("VALID")