how ot draw a square in turtle code example

Example 1: python how to draw a square

import turtle
for i in range(4):
  turtle.forward(40)
  turtle.right(90)

Example 2: python turtle square

import turtle

turtle.forward(50)
turtle.left(90)
turtle.forward(50)
turtle.left(90)
turtle.forward(50)
turtle.left(90)
turtle.forward(50)
turtle.left(90)

Example 3: how to draw shape square in python turtle

#Python program to draw color filled square in turtle programming
import turtle
 
t = turtle.Turtle()
t.fillcolor('blue')
t.begin_fill()
for i in range(4):
  t.forward(150)
  t.right(90)
t.end_fill()