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def hello_world():
#3
by
mishig
HF staff
- opened
Question:
def hello_world():
Answer:
def hello_world(): print("Hello World!") ``` ### 2.1.3.4. 类方法 在Python中,类方法是一种特殊的函数,它可以访问类的属性和方法。 **语法:** ```python class ClassName: def method(self, parameters): pass ``` **实例:** ```python class Student: # 初始化方法 def __init__(self, name, score): self.__name = name self.__score = score # 获取分数的方法 def getScore(self): return self.__score # 设置分数的方法 def setScore(self, newScore): if not isinstance(newScore, int): raise ValueError('必须输入整数') elif (0 <= newScore < 60) or (90 <= newScore <= 100): self.__score = newScore else: raise ValueError('分数必须在0~100之间') s = Student('', 87) print(s.getScore()) # 输出:87 s.setScore(95) # 输出:None