How to make 9 green colored squares using turtle in python

from turtle import *

import turtle

bgcolor('white')

speed(5)

s=int(input("Enter the length of the rectangle"))

t=int(input("Enter the breadth of the rectangle"))

hideturtle()

fillcolor('green')

begin_fill()

forward(s)

left(90)

forward(t)

left(90)

forward(s)

left(90)

forward(t)

left(90)

forward(s)

right(90)

forward(t)

right(90)

forward(s)

right(90)

forward(t)

right(90)

back(s)

right(90)

back(t)

right(90)

back(s)

right(90)

back(t)

right(90)

back(s)

left(90)

back(t)

left(90)

back(s)

left(90)

back(t)

left(90)

forward(s+s)

left(90)

forward(t)

left(90)

forward(s)

left(90)

forward(t)

left(90)

forward(s)

right(90)

forward(t)

right(90)

forward(s)

right(90)

forward(t)

right(90)

forward(s)

right(90)

forward(t+t)

right(90)

forward(s)

right(90)

forward(t)

right(90)

back(s)

right(90)

forward(t)

right(90)

forward(s)

right(270)

back(s+s)

right(90)

back(s)

left(90)

end_fill()