# Tutorial 3: Conditionals
# Goal: Make decisions with if / elif / else.
#
# Comparisons: == != < <= > >= . Logic: and or not . Membership: `of`.

score = 85
if score >= 90
    say("Grade: A")
elif score >= 80
    say("Grade: B")
elif score >= 70
    say("Grade: C")
else
    say("Grade: F")
end

x = 7
if x > 0 and x % 2 == 0
    say("positive and even")
elif x > 0
    say("positive and odd")
end

primes = {2, 3, 5, 7}
if 7 of primes
    say("7 is prime")
end

# Challenge: print "hot", "warm", or "cold" based on a temperature variable.