What is displayed to the console by this program?

arr$=[A,B,C,D,E]$

$n=$arr$[0]$

$c=$arr$[-1]$

for $i$ in range$($len$($arr$))$:

arr$[i]=C$

$c=n$

$p=i+1$

if $(p$len$(arr))$ :

$p=0$

$n=$arr$[p]$;

print $($arr $[0])$