If and Elsif

Use if, elsif, and else when more than two outcomes are possible.

if_elsif.rb

score = 

if score >= 90
  grade = "A"
elsif score >= 75
  grade = "B"
else
  grade = "C"
end

puts "score=#{score}"
puts "grade=#{grade}"

score = 

if score >= 90
  grade = "A"
elsif score >= 75
  grade = "B"
else
  grade = "C"
end

puts "score=#{score}"
puts "grade=#{grade}"

score = 

if score >= 90
  grade = "A"
elsif score >= 75
  grade = "B"
else
  grade = "C"
end

puts "score=#{score}"
puts "grade=#{grade}"

elsif branch `elsif` checks another condition only when earlier branches were false.