print(1+2+3+\ 4+12) print("hello\nworld") print("hello\tworld") print("hello\0world") print("hello\\world") print("hello\'world") print("hello\"world") print("hello\rworld") print("helloworld") "hello" "world" name = "taehyun" adress = 'kyoung myeong sohadong' print(name, adress) "hello" + "world" "helloworld"[3] "helloworld"[-3] "helloworld"[7] str_ = 'helloworld' str_[3:5]