What will be the value of the variable c$,$ after running the following code in python?

def fun$(a,b)$:

if $(a-b,z)x=$Eun$(10,2)c=0$ral$=1a$ :

yield $10$

yield $2$

yield fun $(a-b,z)$

$x=$Eun$(10,2)$

$c=0$

ral$=1$

$It$ will hold a generator object

The code will generate $an$ error

$12$