```ruby
# Add it up!

# Complete each step below according to the challenge directions and
# include it in this file. Also make sure everything that isn't code
# is commented in the file.

# I worked on this challenge [by myself, with: ].

# 0. total Pseudocode
# make sure all pseudocode is commented out!

# Input:
# Output:
# Steps to solve the problem.


# 1. total initial solution



# 3. total refactored solution



# 4. sentence_maker pseudocode
# make sure all pseudocode is commented out!
# Input:
# Output:
# Steps to solve the problem.


# 5. sentence_maker initial solution



# 6. sentence_maker refactored solution```

Complete 4.7.2 add it up exercises
user
```ruby
# Add it up!

# Complete each step below according to the challenge directions and
# include it in this file. Also make sure everything that isn't code
# is commented in the file.

# I worked on this challenge [with: Steven Broderick].

# 0. total Pseudocode
# make sure all pseudocode is commented out!

# Input:
# Output:
# Steps to solve the problem.


# 1. total initial solution
=begin
def total(array)
	total = 0
	array.each do |i|
		total += i
	end
	return total
end
=end

# 3. total refactored solution
def total(array)
	return array.inject(:+)
end


# 4. sentence_maker pseudocode
# make sure all pseudocode is commented out!
# Input:
# Output:
# Steps to solve the problem.
=begin
def sentence_maker(array)
	sentence = ""
	array[0] = array[0].capitalize
	array.each do |i|
		sentence = sentence + i.to_s + " "
	end
	return sentence.strip + "."
end
=end

# 5. sentence_maker initial solution



# 6. sentence_maker refactored solution
def sentence_maker(array)
	array[0] = array[0].capitalize
	return array.join(" ") + "."
end```
assistant