>>> test1 = [100,300,500,1000]
>>> test2 = [350,550,300,350]
>>> for i in zip(test1,test2):
i[0] + i[1]
450
850
800
1350
>>> test1 = [100,300,500,1000]
>>> test2 = [350,550,300,350]
>>> for i in zip(test1,test2):
i[0] + i[1]
450
850
800
1350