實例化過程:
class luffy_stu: def __init__(self,name,age,sex): self.name = name self.age = age self.sex = sex def eat(self): pass if __name__=="__main__": stu1 = luffy_stu('bao',21,'male') #實例化過程: #1. 是先產生一個stu1對象, #2. luffy_stu.__init__('stu1','bao',21,'male')再將stu1對象傳入__init__構造函數中實例化對象.