Where is the optimal place to insert an indented print statement in the for loop of the following code to debug it$?$

$1$ Max $=$ None

$2$

$3$ for primes in $[3,5,31,29,17,7]$:

$4$

$5$ if Max is None or primes $>$ Max :

$6$

$7$ Max $=$ primes

$8$