Python Turtle

import turtle
my_w=turtle.Turtle()
my_w.forward(200) # draw line of 200px distance 
turtle.done()

Triangle

import turtle
my_t = turtle.Turtle()

my_t.forward(200)
my_t.right(-120)
my_t.forward(200)
my_t.right(-120)
my_t.forward(200)

turtle.done()

Square

import turtle
my_t = turtle.Turtle()
 
my_t.forward(200)
my_t.right(-90)
my_t.forward(200)
my_t.right(-90)
my_t.forward(200)
my_t.right(-90)
my_t.forward(200)
     
turtle.done()

Hexagon

import turtle
my_t = turtle.Turtle()
for i in range (6):
    my_t.forward(100)
    my_t.right(-60)
     
turtle.done()

Drawing star

import turtle
my_w=turtle.Turtle()

for i in range(8):
    my_w.forward(200)
    my_w.right(135)

turtle.done()

Multiple stars

import turtle
my_w=turtle.Turtle()

for i in range(24):
    my_w.forward(200)
    my_w.right(165)

turtle.done()

Multiple triangles

import turtle
my_t = turtle.Turtle()
turtle.colormode(255)
#turtle.speed(9)
x=20
r,g,b=10,10,10
d=2
for i in range (48):
    my_t.pencolor(r,g,b)
    my_t.forward(x)
    my_t.right(120)
    r=r+d
    x=x+5 
turtle.done()

Multiple Squares

import turtle
my_t = turtle.Turtle()
turtle.colormode(255)
#turtle.speed(9)
x=20
r,g,b=10,10,10
d=2
for i in range (48):
    my_t.pencolor(r,g,b)
    my_t.forward(x)
    my_t.right(90)
    r=r+d
    x=x+5 
turtle.done()