Task_03

'''
Task # 03
Password Complexity Checker
Build a tool that assesses the strength of a password based on criteria 
such as length, presence of uppercase and lowercase letters, numbers, and 
special characters. Provide feedback to users on the password's strength.
'''

import re

def check_password_complexity(password):
    # Define criteria for password strength
    length_criteria = len(password) >= 8
    uppercase_criteria = bool(re.search(r'[A-Z]', password))
    lowercase_criteria = bool(re.search(r'[a-z]', password))
    digit_criteria = bool(re.search(r'\d', password))
    special_char_criteria = bool(re.search(r'[!@#$%^&*(),.?":{}|<>]', password))

    # Assess the strength of the password based on criteria
    if length_criteria and uppercase_criteria and lowercase_criteria and digit_criteria and special_char_criteria:
        return "Strong password! 👍"
    else:
        feedback = "Weak password. Consider the following improvements:\n"
        if not length_criteria:
            feedback += "- Ensure the password is at least 8 characters long\n"
        if not uppercase_criteria:
            feedback += "- Include at least one uppercase letter\n"
        if not lowercase_criteria:
            feedback += "- Include at least one lowercase letter\n"
        if not digit_criteria:
            feedback += "- Include at least one digit\n"
        if not special_char_criteria:
            feedback += "- Include at least one special character (!@#$%^&*(),.?\":{}|<>)\n"

        return feedback

def main():
    print("Password Complexity Checker")

    # Get user input for the password
    password = input("Enter your password: ")

    # Check and provide feedback on the password complexity
    result = check_password_complexity(password)
    print(result)

if __name__ == "__main__":
    main()