print 2 == 1 + 1
print true == 1
print true == true
print true == "1"

print "\n"
print false == 0
print false == false
if (0) 
    puts "0 is truthy"
end
if (1) 
    puts "1 is truthy"
end

truefalsetruefalse
falsetrue0 is truthy
1 is truthy