Just need help finifhing this code.

---format spec
		---color
		+--format documentation
		+--color

-def sum arr
		- # YOUR CODE HERE
		-end
		-
		-def max_2_sum arr
		- # YOUR CODE HERE
		-end
		-
		-def sum_to_n? arr, n
		- # YOUR CODE HERE
		-end

-def hello(name)
		- # YOUR CODE HERE
		-end
		-
		-def starts_with_consonant? s
		- # YOUR CODE HERE
		-end
		-
		-def binary_multiple_of_4? s
		- # YOUR CODE HERE
		-end

-class BookInStock
		-# YOUR CODE HERE
		-end

+# When done, submit this entire file to the autograder.
		+
		+# Part 1
		+
		+def sum arr
		+ # YOUR CODE HERE
		+end
		+
		+def max_2_sum arr
		+ # YOUR CODE HERE
		+end
		+
		+def sum_to_n? arr, n
		+ # YOUR CODE HERE
		+end
		+
		+# Part 2
		+
		+def hello(name)
		+ # YOUR CODE HERE
		+end
		+
		+def starts_with_consonant? s
		+ # YOUR CODE HERE
		+end
		+
		+def binary_multiple_of_4? s
		+ # YOUR CODE HERE
		+end
		+
		+# Part 3
		+
		+class BookInStock
		+# YOUR CODE HERE
		+end

@@ -1,69 +1,39 @@
		+require 'ruby_intro.rb'
		describe 'Ruby intro part 1' do
		describe "#sum" do
		- it "should be defined" do
		- expect { sum([1,3,4]) }.not_to raise_error
		- end
		-
		- it "returns correct sum [20 points]" do
		- expect(sum([1,2,3,4,5])).to be_a_kind_of Fixnum
		+ it "returns correct sum" do
		expect(sum([1,2,3,4,5])).to eq(15)
		- expect(sum([1,2,3,4,-5])).to eq(5)
		- expect(sum([1,2,3,4,-5,5,-100])).to eq(-90)
		end
		-
		- it "works on the empty array [10 points]" do
		- expect { sum([]) }.not_to raise_error
		+ it "works on the empty array" do
		expect(sum([])).to be_zero
		end
		end
		describe "#max_2_sum" do
		- it "should be defined" do
		- expect { max_2_sum([1,2,3]) }.not_to raise_error
		- end
		- it "returns the correct sum [7 points]" do
		- expect(max_2_sum([1,2,3,4,5])).to be_a_kind_of Fixnum
		+ it "returns the correct sum" do
		expect(max_2_sum([1,-2,-3,-4,-5])).to eq(-1)
		end
		- it 'works even if 2 largest values are the same [3 points]' do
		+ it 'works even if 2 largest values are the same' do
		expect(max_2_sum([1,2,3,3])).to eq(6)
		end
		- it "returns zero if array is empty [10 points]" do
		+ it "returns zero if array is empty" do
		expect(max_2_sum([])).to be_zero
		end
		- it "returns value of the element if just one element [10 points]" do
		+ it "returns value of the element if just one element" do
		expect(max_2_sum([3])).to eq(3)
		end
		end
		describe "#sum_to_n" do
		- it "should be defined" do
		- expect { sum_to_n?([1,2,3],4) }.not_to raise_error
		- end
		- it "returns true when any two elements sum to the second argument [30 points]" do
		- expect(sum_to_n?([1,2,3,4,5], 5)).to be true
		+ it "returns true when any two elements sum to the second argument" do
		expect(sum_to_n?([3,0,5], 5)).to be true
		- expect(sum_to_n?([-1,-2,3,4,5,-8], 12)).to be false
		- expect(sum_to_n?([-1,-2,3,4,6,-8], 12)).to be false
		end
		- #for rspec 3.3.0
		- it "returns false for the single element array [5 points]" do
		- sum_to_n?([1], 1).should be_falsey
		- sum_to_n?([3], 0).should be_falsey
		+ it "returns false for the single element array" do
		+ expect(sum_to_n?([1], 1)).to be_falsey
		end
		- it "returns false for the empty array [5 points]" do
		- sum_to_n?([], 0).should be_falsey
		- sum_to_n?([], 7).should be_falsey
		+ it "returns false for the empty array" do
		+ expect(sum_to_n?([], 0)).to be_falsey
		end
		- #for rspec 2.14.1
		- # it "returns false for the single element array [5 points]" do
		- # expect(sum_to_n?([1], 1)).to be false
		- # expect(sum_to_n?([3], 0)).to be false
		- # end
		- # it "returns false for the empty array [5 points]" do
		- # expect(sum_to_n?([], 0)).to be false
		- # expect(sum_to_n?([], 7)).to be false
		- # end
		end
		-end
		+end

require 'ruby_intro.rb'
		describe "#hello" do
		it "should be defined" do
		expect { hello("Testing") }.not_to raise_error()#::NoMethodError)
		@@ -51,4 +52,4 @@
		expect(binary_multiple_of_4?('a100')).to be_falsy, "'a100' is not a valid binary number!"
		expect(binary_multiple_of_4?('')).to be_falsy, "The empty string is not a valid binary number!"
		end
		-end
		+end

View

1 spec/part3_spec.rb

		@@ -1,3 +1,4 @@
		+require 'ruby_intro.rb'
		describe "BookInStock" do
		it "should be defined" do
		expect { BookInStock }.not_to raise_error