# Check a password entered by the user and report whether or not it is good

# Read the password from the user
password = input("Enter a password: ")

# Check the length of the password
if len(password) >= 7:
  length_ok = True
else:
  length_ok = False

# Check that the password has an upper case letter
# If the password is equal to the password with all of the letters converted
# to lower case then there were no upper case letters to convert
if password == password.lower():
  uppercase_ok = False
else:
  uppercase_ok = True

# Check that the password has a lower case letter
if password == password.upper():
  lowercase_ok = False
else:
  lowercase_ok = True

# Check if the password contains a digit
digit_ok = False
for digit in "0123456789":
  if password.find(digit) >= 0:
    digit_ok = True

# Report the result
if length_ok and uppercase_ok and lowercase_ok and digit_ok:
  print("That's a good password.")
else:
  print("That password didn't meet one of the rules.")