python小程序，统计学生个数

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class Student(object):
	count = 0
	def __init__(self,name):
		self.name = name
		Student.count +=1
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!')