temp = 0
#password variable
password = "This10@#45yui"
#length_of_password
length_of_password = password.length
#small_letter  charater ----> result list
small_letter = password.scan(/[a-z]/)
#capital_letter
capital_letter = password.scan(/[A-Z]/)
#digit
digit_letter = password.scan(/[0-9]/)
#special_case
special_letter = password.scan(/[\w]/)
#charater length
length_small = small_letter.length
length_capital = capital_letter.length
length_digit_letter = digit_letter.length
length_special_letter = special_letter.length

if length_of_password >=10
    if length_small >= 3
          temp =temp + 1
    elsif length_small <=3 && length_small >=1
      temp = temp + 0.5
    end
    if length_capital >= 3
          temp =temp + 1
    elsif length_capital <=3 && length_capital >=1
      temp = temp + 0.5
    end
    if length_digit_letter >=3
      temp = temp + 1
    elsif length_digit_letter <= 3 && length_digit_letter >=1
      temp = temp + 0.5
    end
    if length_special_letter >=3
      temp = temp + 1
    elsif length_special_letter <= 3 && length_special_letter >=1
      temp = temp + 0.5
    end
  else
    puts " please choose strong password"
end

puts "Strong of password #{temp}"+"from 4"