from graphviz import Graph, Digraph

g = Graph('G', filename='graphe', engine='sfdp')

g.edge('Alan', 'Eline')
g.edge('Alan', 'Dylan')
g.edge('Bénédicte', 'Chloé')
g.edge('Bénédicte', 'Eline')
g.edge('Bénédicte', 'Dylan')

g.render("mes-amis", view=True)