def sayGoodnight(name)
	return "Goodnight, " + name
end

def otherWayToSayGoodnight(name)
	"Goodnight, #{name}"
end

puts sayGoodnight("John-Boy")
puts otherWayToSayGoodnight("Richard")

a = [1, 'cat', 42]

# Set second item to dog
a[1] = 'dog'

# Write it
puts a[1]

a = %w(ant bee cat dog elk)
# Print item 3
puts a[2]

# Hash
fruits = {
	'apple' => 'red',
	'pear' => 'green',
	'banana' => 'yellow',
}

puts "Which color is an apple? I guess it's #{fruits['apple']}"

# Give N a value
n = 3.14

# Play with N
if n > 2
	puts "N is higher than 2"
elsif n > 900
	puts "N is over 9000!"
else
	puts "Either N is lower than 2, or not a number!"
end

n = 1

# While loop, 3 times
while n <= 3
	puts "N is #{n}"
	n += 1
end

# Statement modifer
puts "N is now over 3" if n > 3
puts "N is in fact #{n}"