MachineCharmer

## cnk.py
import operator
def c(n, k):
        k = min(k,n-k) # using C(n,k) = C(n,n-k)
	return (reduce(operator.mul, range(n-k+1, n+1)) /
			reduce(operator.mul, range(1, k+1)))
	import operator
	def c(n, k):
	k = min(k,n-k) # using C(n,k) = C(n,n-k)
	return (reduce(operator.mul, range(n-k+1, n+1)) /
	reduce(operator.mul, range(1, k+1)))