Gas attack unable to solve

Level Help
1 
# Calculate the total health of all the ogres.

def sumHealth(enemies):
    # Create a variable and set it to 0 to start the sum.
    totalHealth = 0
    # Initialize the loop index to 0
    enemyIndex = 0
    # While enemyIndex is less than the length of enemies array
    enemies = cannon.findEnemies()
        # Add the current enemy's health to totalHealth
    while enemyIndex < len(enemies):
        # Increment enemyIndex by 1.
        totalHealth += enemies[enemyIndex]
        enemyIndex += 1
    return totalHealth

# Use the cannon to defeat the ogres.
cannon = hero.findNearest(hero.findFriends())
# The cannon can see through the walls.
enemies = cannon.findEnemies()
# Calculate the sum of the ogres' health.
ogreSummaryHealth = sumHealth(enemies)
hero.say("Use " + ogreSummaryHealth + " grams.")
2

First, try to put this outside of the function

3

thanks! it is outside of the function

4

Change this to this:

TotalHealth += enemies[enemyIndex].health
5

But the totalhealth variable all have lower case t.

6

Yes, sorry I had to type it manually so the thing automatically changed it to a capital T