Password Creation

# 1. Intro
print("*******************************************************************************************************")
print("*******************************************************************************************************")
print("Welcome to PasswordCreation Programme. To create your password, you have to follow the following rules: ")
print("1. Your password length must be at least 8 characters.")
print("2. Your password must contain at least 1 lowerCase letter.")
print("3. Your password must contain at least 1 upperCase letter.")
print("4. Your password must contain at least l number.")
print("5. Your password must not contain 'Spacebar' character.")
print("6. Your password must not contain special characters.")
print()
print("Then, you will have to confirm your password.")

print("Please enter your password: ")
# Ask from the  user to give me his string/password
password = input()
lowerAlphabet = "abcdefghijklmnopqrstuvwxyz"
upperAlphabet = lowerAlphabet.upper()
numbers = "1234567890"
# Create 6 basic variables for checking the 4 terms and 1 variable to count how many conditions are satisfied
lowerCounter = 0                         # Condition 2
upperCounter = 0                         # Condition 3
numberCounter = 0                        # Condition 4
spacebarFlag = False                     # Condition 5
specialCharactersFlag = False            # Condition 6
specialCharacters = []                   # Create a list, that will contain all the special characters of password
conditionsSatisfied = True               # Boolean value for checking if the conditions for a valid password are satisfied (Initially, I suppose it's true)

# Scan the password and investigate the conditions
length = len(password)
for ch in password:
    # For every character in user's password, I check the 1st condition/rule
    if ch in lowerAlphabet:                     # Ayto shmainei an to ch = character anhkei stin "lexi" lowerAlphabet
       lowerCounter += 1
    elif ch in upperAlphabet:
        upperCounter +=1
    elif ch in numbers:
        numberCounter += 1
    elif ch == ' ':
        spacebarFlag = True
    else:
        specialCharactersFlag = True
        specialCharacters.append(ch)                            # I add the special character "ch" to the appropriate list

# So, I have some values on my variables
# I will compare these values with my conditions/rules
# 1st check
if len(password) < 8:
    conditionsSatisfied = False
if lowerCounter == 0:
    conditionsSatisfied = False
if upperCounter == 0:
    conditionsSatisfied = False
if numberCounter == 0:
    conditionsSatisfied = False
if spacebarFlag:
    conditionsSatisfied = False                     # If spacebarFlag == True, that means that password contains a spacebar ---> not a valid password
if specialCharactersFlag:
    conditionsSatisfied = False

# All the conditions have been checked. THE RESULTS OF INVESTIGATIONS WILL BE PRINTED ON THE SCREEN BELOW
print()
# IF PASSWORD =  INVALID
if not conditionsSatisfied:
    #print()
    print("Not a valid password. Problems with password: " + password)
    # Here, I will explain in which parts the password has problem
    if len(password) < 8:
        print("* Length = " + str(len(password)))
    if lowerCounter == 0:
        print("* No lowerCase letters in the password.")
    if upperCounter == 0:
        print("* No upperCase letters in the password.")
    if numberCounter == 0:
        print("* No number used in the password.")
    if spacebarFlag:
        print("* Your password contains the 'Spacebar' character.")
    if specialCharactersFlag:
        print("* Your password contains special characters: " + ''.join(map(str, specialCharacters)))


# IF PASSWORD = VALID
else:
    print("That's a valid password. Please confirm this password. You will have only 3 tries.")
    confirmationTries = 0
    while confirmationTries < 3:                                        # Loop with max number of iterations = max tries = 3
        passwordConfirmation = input("Confirm password here: ")          # Ask from the user the password confirmation
        if password != passwordConfirmation:                             # If passwordConfirmation not equal to password, I increase the confirmationTries variable
            confirmationTries += 1
        else:                                                            # If passwordConfirmation equal to password, WE ARE OKEY!
            print("Brilliant. Your new password is: " + password)
            break


    if confirmationTries == 3:                                  # If we are in the case of wasting both 3 tries
        print()
        print("Password creation failed (you ran out of tries): ")
        print("You entered the password       : " + password)
        print("But, your last confirmation was: " + passwordConfirmation)