21.9월.5주 복습(월) - 플로우 컨트롤

///1.조건문 if
///2.조건문 switch
///3. 반복문 for
///4. 반복문 while.

print("================> if문 \n")

var isJohn: Bool = true

let name = "john"
let name2 = "Jane"

if name == "john" {
    print("존이네용")
} else {
    print("존이 아니네?")
}

print("================> switch문 \n")

var animalsAmout = 100

switch animalsAmout {
case 0...2 :
    print("한마리도 없구나?")
case 30:
    print("10마리네?")
case 31..<100:
    print("정말 많다")
default:
    print("오 넘어갔다.")
}

print("================> for문 \n")
let closedRange = 0...10
var sum = 0

for i in closedRange{
    print(i)
    sum += i
}
print(sum)

print("================> while문 \n")

var i = 20

while i < 20{
    print(i)
    i += 1
}

print("=============> Repeat while문 \n")

var j = 20


repeat {
    print(j)
    j += 1
} while j < 20