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类属性需要由类名调用

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GOGOGO-枼子

#1 Created at ... [Delete] [Delete and Lock User]

class Student(object): count = 0

def __init__(self, name):
    self.name = name
    Student.count += 1

测试:

if Student.count != 0: print('测试失败!') else: bart = Student('Bart') if Student.count != 1: print('测试失败!') else: lisa = Student('Bart') if Student.count != 2: print('测试失败!') else: print('Students:', Student.count) print('测试通过!')

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