fizzbuzz_messy.rb

def fizz_buzz_puts(start, finish)
  # loops through each number in the range
  start.upto(finish) do |number|
    puts fizz_buzz(number)
  end
end

def fizz_buzz(number)
  # checks if number is divisible by both 3 and 5
  if div_3?(number) && div_5?(number)
    'FizzBuzz'

  # checks if number is only divisible by 5
  elsif div_5?(number)
    'Buzz'

  # checks if number is only divisible by 3
  elsif div_3?(number)
    'Fizz'

  # prints numbers not divisible by any
  else
    number

  end
end

# checks if number is divisible by 5
def div_5?(number)
  number % 5 == 0
end

# checks if number is divisible by 3
def div_3?(number)
  number % 3 == 0
end

a = 60
b = 80

fizz_buzz_puts(a, b)