1 | initial version |
You can try
map(lambda x: x%2,[4,3,2,1,1])
then
sum(map(lambda x: x%2,[4,3,2,1,1]))
will return the desired output.
What happens when you use mod(x,2)
is that sage
returns an element of $\mathbb{Z}_2$, however the %
operator returns an Integer
.