import turtle as tl            
  

import turtle as tl

tl.foward(100)            
        
  

import turtle as tl

tl.foward(100)            
tl.left(90)            
  

import turtle as tl

tl.foward(100)            
tl.left(90)            
tl.foward(100)            
tl.left(90)            
tl.foward(100)            
tl.left(90)            
tl.foward(100)            
tl.left(90)            
  

import turtle as tl

tl.foward(100)            
tl.left(90)            
tl.foward(100)            
tl.left(90)            
tl.foward(100)            
tl.left(90)            
tl.foward(100)            
tl.left(90)            
  

import turtle as tl

tl.foward(200)            
tl.left(90)            
tl.foward(200)            
tl.left(90)            
tl.foward(200)            
tl.left(90)            
tl.foward(200)            
tl.left(90)            
  

import turtle as tl

for _ in range(4):
    tl.foward(100)            
    tl.left(90)            
  

import turtle as tl

def carre():
    for _ in range(4):
        turtle.foward(100)            
        turtle.left(90)   
  

    let circumferenceReducer = ( c, planet ) => {
      return c + planet.diameter * Math.PI;
    }

    let planets = [
      { name: 'mars', diameter: 6779 },
      { name: 'earth', diameter: 12742 },
      { name: 'jupiter', diameter: 139820 }
    ]

    let c = planets.reduce( circumferenceReducer, 0 )