It could not work,what'ta wrong?

[lucker]

Here are two pictures which are my work by two languages–Python and Java script.
But they both counld not run.Why?

[BobBobson412]

You should find the enemy before trying to attack.

[Gurrman]

Hover over the stop sign and the correct problem will show up.

[lucker]

Really?
20characters.

[lucker]

Thank you for your answer, but I found the correct answer–
The health of hero is too much.

[Bryukh]

The health of hero is too much.

Could you explain it? The health shouldn’t give an error.

[lucker]

Sorry， I could not explain that.

[lucker]

ok. 20characters20characters20characters.