#variables

sparrow=30
cats=40
lion=3
sharks=5
butterfly=50
snakes=10

print('Mammals= ',cats+lion)
print('All animals= ',sparrow+cats+lion+sharks+butterfly+snakes)

#if we use decimal we make it float
avg=(sparrow+cats+lion+sharks+butterfly+snakes)/6.0 #flaot variable
print('Average= ', avg)

#can'tt use space in variables but use _
avg_of_mammals=(cats+lion)/2.0
print('Avg Mammals= ',avg_of_mammals)
