next_academy_solution_Algorithm_Drill:_Linear_Search.rb

def linear_search(num, array_num)
	counter=0
	until array_num[counter]==num || array_num[counter] == nil
		counter+=1
	end
	puts array_num[counter]==num ? counter : "nil"
end

def checking(num1, num2)
	return true if num1==num2
	false
end

def global_linear_search(object, array_object)
	counter=0
	position=[]
	while counter<array_object.length
		position << counter if array_object[counter]==object
		counter+=1
	end
	p position
end

random_numbers = [6, 29, 18, 2, 72, 19, 18, 10, 37]
linear_search(18, random_numbers) # ==>2
linear_search(9, random_numbers) # ==>nil

bananas_arr = "bananas".split(//)
global_linear_search("a",bananas_arr)