Quiz Solution :)

for anyone who is learning ruby using Zed Shaw’s “Learning Ruby The Hard Way”, here is the solved quiz from ex(26):

felt like a midterm lol

enjoy!!

module Ex25

# This function will break up words for us.
def Ex25.break_words(stuff)
words = stuff.split(‘ ‘)
return words
end

# Sorts the words.
def Ex25.sort_words(words)
return words.sort
end

# Prints the first word after shifting it.
def Ex25.print_first_word(words)
word = words.shift
puts word
end

# Prints the last word after popping it off.
def Ex25.print_last_word(words)
word = words.pop
puts word
end

# Takes in a full sentence and returns the sorted words.
def Ex25.sort_sentence(sentence)
words = Ex25.break_words(sentence)
return Ex25.sort_words(words)
end

# Prints the first and last words of the sentence.
def Ex25.print_first_and_last(sentence)
words = Ex25.break_words(sentence)
Ex25.print_first_word(words)
Ex25.print_last_word(words)
end

# Sorts the words then prints the first and last one.
def Ex25.print_first_and_last_sorted(sentence)
words = Ex25.sort_sentence(sentence)
Ex25.print_first_word(words)
Ex25.print_last_word(words)
end

end
puts “Let’s practice everything.”
puts ‘You’d need to know ‘bout escapes with \ that do n newlines and t tabs.’

poem = <<END
tThe lovely world
with logic so firmly planted
cannot discern n the needs of love
nor comprehend passion from intuition
and requires an explanation
nttwhere there is none.
END

puts “ — — — — — — — “
puts poem
puts “ — — — — — — — “
five = 10–2 + 3–6
puts “This should be five: #{five}”

def secret_formula(started)
jelly_beans = started * 500
jars = jelly_beans / 1000
crates = jars / 100
return jelly_beans, jars, crates
end
start_point = 10000
beans, jars, crates = secret_formula(start_point)

puts “With a starting point of: #{start_point}”
puts “We’d have #{beans} beans, #{jars} jars, and #{crates} crates.”

start_point = start_point / 10

sentence = “All good things come to those who wait.”
words = Ex25.break_words(sentence)
sorted_words = Ex25.sort_words(words)
Ex25.print_first_word(words)
Ex25.print_last_word(words)
Ex25.print_first_word(sorted_words)
Ex25.print_last_word(sorted_words)
sorted_words = Ex25.sort_sentence(sentence)
Ex25.print_first_and_last(sentence)
Ex25.print_first_and_last_sorted(sentence)