# Categorize Password as Strong or Weak using Regex in Python # Categorizing password as Strong or # Weak in Python using Regex     import re    # Function to categorize passworddef password(v):       # the password should not be a    # newline or space    if v == "\n" or v == " ":        return "Password cannot be a newline or space!"       # the password length should be in    # between 9 and 20    if 9 <= len(v) <= 20:           # checks for occurrence of a character         # three or more times in a row        if re.search(r'(.)\1\1', v):            return "Weak Password: Same character repeats three or more times in a row"           # checks for occurrence of same string         # pattern( minimum of two character length)        # repeating        if re.search(r'(..)(.*?)\1', v):            return "Weak password: Same string pattern repetition"           else:            return "Strong Password!"       else:        return "Password length must be 9-20 characters!"  # Main methoddef main():       # Driver code    print(password("Qggf!@ghf3"))    print(password("Gggksforgeeks"))    print(password("aaabnil1gu"))    print(password("Aasd!feasn"))    print(password("772*hd897"))    print(password(" "))      # Driver Codeif __name__ == '__main__':    main()