yield generator use example,

#yield example
#It helps the function to return a generator object

from __future__ import print_function      #Compatibilidade func print python 2/3
import math

def Fatorial(Qtde):
    ListIn = range(Qtde)
    for i in ListIn:
        yield math.factorial(i)

Qtde = 10
Resp = Fatorial(Qtde)