from turtle import* speed(0) up() goto(-250, -250) down() left(90) def courbe(sens,n,long): if (n>-1): courbe(sens,n-1,long/4) forward(long/(2*4**n)) courbe(-sens,n-1,long/4) forward(long/(2*4**n)) courbe(sens,n-1,long/4) right(90*sens) forward(long/(2*4**n)) right(90*sens) courbe(-sens,n-1,long/4) forward(long/(2*4**n)) right(90*sens) courbe(-sens,n-1,long/4) left(90*sens) forward(long/(2*4**n)) courbe(-sens,n-1,long/4) left(90*sens) forward(long/(2*4**n)) left(90*sens) courbe(sens,n-1,long/4) forward(long/(2*4**n)) courbe(-sens,n-1,long/4) forward(long/(2*4**n)) courbe(sens,n-1,long/4) courbe(1,2,600) hideturtle() done()