let is used for assigning constants whereas var is used for creating variables.
ie:
let salute: Character = “Hey there…”
let everyone: Character = “Swift World”
var saluteEveryone = salute + everyone
saluteEveryone = saluteEveryone + “!”
let is used for assigning constants whereas var is used for creating variables.
ie:
let salute: Character = “Hey there…”
let everyone: Character = “Swift World”
var saluteEveryone = salute + everyone
saluteEveryone = saluteEveryone + “!”