text: #!/usr/bin/env python3
  import numpy as np
  
  def integral(ifrom,ito,func,dx=1e-9):
      x=np.arange(ifrom,ito,dx)
      dy=func(x)*dx
      return np.sum(dy)
  
  def f(x):
      return np.sin(x)
  
  if __name__=="__main__":
      predict=integral(0,10,f)
  