BLOC checkpoint 10 question1

def hello
  "Hello world"
end

def add(a,b)
  a + b
end

add(1,2)
p add(1,2)

hello
p hello

# if I run this script I get:
# Result: 
# Hello world
# Output:
# 3
# 3
# "Hello world"
# why not:
# Result:
# Hello world
# Output:
# 3
# 3
# Hello world
# Hello world