def rand_cercle(): a = rand() b = rand() c = (a**2+b**2-abs(rand()))/4 return Cercle_equation(a, b, c)
def rand_vec(): return Vecteur_libre(rand(), rand())
def rand_dte(): return Droite_equation(rand(), rand(), rand())
def test_Texte(): t = Texte("spam & eggs", rand(), rand()) assert(t.texte == "spam & eggs")
def rand_pt(): return Point(rand(), rand())
def test_Texte(): t = Texte("spam & eggs", rand(), rand()) assert (t.texte == "spam & eggs")
def rand_cercle(): a = rand() b = rand() c = (a**2 + b**2 - abs(rand())) / 4 return Cercle_equation(a, b, c)