from ROOT import gROOT, TCanvas, TF1

gROOT.Reset()
c1 = TCanvas('c1', 'Example with Formula', 200, 10, 700, 500)

#
# Create a one dimensional function and draw it
#
fun1 = TF1('fun1', 'abs(sin(x)/x)', 0, 10)
c1.SetGridx()
c1.SetGridy()
fun1.Draw()
c1.Update()

print('this no love song')
