**TI83F* Created by TI-Smartview CE 5.4.0.1055Ô ÃTI4CA15ÃÁPYCD TI4CA15.pydef f(x): return x**2 def liste_pentes_secantes(f,a): L=[] h=1 while h>0: m=(f(a+h)-f(a))/h L.append(m) h=h-0.01 return L63