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# 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
enemies=cannon.findEnemies()
# While enemyIndex is less than the length of enemies array
while enemyIndex<len(enemies):
# Add the current enemy's health to totalHealth
totalHealth+=enemies[enemyIndex].health
# Increment enemyIndex by 1.
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.")