# get a string input
def get_string
	puts "Enter a string"
	gets.chomp
end

# start splitting each words
def process(str)
	result = {}
	words = str.split(' ')
	words.each do |word|
		result[word] = alternate_capitalize(word)
	end
	result.values.join(' ')
end

# each word in the string calling alternate capitalize
def alternate_capitalize(word)
	result = []
	word.chars.each_with_index do |c, index|
		if index.even?
			result << c.downcase
		else
			result << c.upcase
		end
	end
	result.join('')
end

str = get_string
result = process(str)
puts "alternate_capitalize for the given string is \n#{result}"