I have two strings and want to compare them lexicographically (what comes first in a "dictionary").
// String literals
let s1 = "Hello World"
let s2 = "Hello Guys"
// Compare the 2 strings
// lexicographically
if s1<s2 {
print("S1 comes before S2")
}
else {
print("S1 comes after S2")
}