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lrthw/exercises/ex24.rb

38 lines
940 B
Ruby
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2023-09-30 13:20:59 +00:00
puts "Let's practice everything."
puts "You'd need to know 'bout escapes with \\ that do \n newlines and \t tabs."
# the <<END is a "heredoc". See the Student Questions
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
\n\t\twhere there is none.
END
puts "-" * 10
puts poem
puts "-" * 10
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
[jelly_beans, jars, crates]
end
start_point = 10_000
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 /= 10
puts "We can also do that this way:"
puts "We'd have %s, %d jars, and %d crates." % secret_formula(start_point)