@mattcanderson1 i did it! i appreciate to you

@tomleslie thank you tomleslie! you`re so smart :)

@Bendesarts 

it`s one of examples that if there are ten atoms and two atoms spin up, and its count.

otherwise, if number of spins is changed from 0 to 10, how to make it easier and on a graph ( the number of spin-up is x-axis, the results (like 45) is y-aixs) 

@rlopez thank you for your sincerely answer! have a good day

@Kitonum 

thank you it works well!!

@tomleslie 

thank you tomleslie! 

it works well!!

@Carl Love 

thank you! finally i made it!