print("goodbye world!") # 와우 언빌리버블 for i in range(3): print(12) # 함수 def hello(name): print("""Hello! Welcome to Codeit""" + name) # 함수 호출 hello("chris") hello("zz") hello("hell") # 함수 def print_sum(a, b): print(a + b) print(a - b) print(a * b) print(a / b) # 함수 호출 print_sum(10, 2) # 형변환 a = int(10); b = int(3); print(a * b); print(10 * 3);