The print method is used to display a value on the console.
print("Hello world!")
// Prints "Hello world!"
Printing variables
let mySentence = "I am from China."
print(mySentence)
// Prints "I am from China."
let life = 42
print(life)
// Prints "42"
String interpolation
let country = "China"
print("I am from \(country).")
// Prints "I am from China."
let appleCount = 5
print("I have \(appleCount) apples.")
// Prints "I have 5 apples."
