input: Write a python function to validate a password based on given criteria.
  assert validate_password("Password123")==True
  assert validate_password("password")==False
  assert validate_password("PASSWORD123")==False
  assert validate_password("Pass123")==False
  assert validate_password("Pa$$w0rd")==True
output: def validate_password(password):
      if len(password) < 8:
          return False
      if not any(char.isdigit() for char in password):
          return False
      if not any(char.isupper() for char in password):
          return False
      if not any(char.islower() for char in password):
          return False
      if not any(char in "!@#$%^&*()-+" for char in password):
          return False
      return True