from knotsvg import *
knotsvg(
    ['M 0,0 C 2,0 3,0 4,-1 5,-2 7,-2 7,-1 7,0 6,0 5,0 4,0 3,0 3,-1 3,-2 5,-2 6,-1 7,0 8,0 10,0'],
    [-1, 1, -1, 1, -1, 1], title='Nœud simple', title_insert=(0,-2))