Solution: Generating Lotto Numbers Using a Method

def get_next_valid_lotto_number(existing_lotto_numbers)
	new_lotto_number = rand(49)
	while existing_lotto_numbers.include?(new_lotto_number)
		new_lotto_number = rand(49)
  	end 
	return new_lotto_number 
end
lotto_numbers = [] 
6.times do 
  new_valid_number = get_next_valid_lotto_number(lotto_numbers)
  lotto_numbers << new_valid_number
end
puts "Your winning lotto numbers are #{lotto_numbers.inspect}, good luck!"