اجرة العامل بايثون اكتوكود

1.  str_length = input (" please type length\n")
2. str_width = input (" please type width\n")
3. str_price = input ("how mutch for 1 meter\n")  
4. length = float (str_length)
5. width = float (str_width)
6. price = float str_price)
7. area = lengh * width
8. str_area = str(area)
9. total_price = area * price
10. str_total_price = str(total_price)
11. print("the total area is :" + str_area)
12. print (" Give the gay:" + str_total_price)