from c1 import Student
student = Student('afs', 2)
student.print_file()
student.do_homework()
""" """
from c1 import Student
#实例化
student = Student('tony','男',18)
print(student.print_file())
#由此可见__init__方法在实例化对象执行时可以自动调用构造函数，并且可以被显示调用
from c1 import Student stu = Student() stu.print_file()
from c1 import Student zhangsan = Student() zhangsan.print_file()
from c1 import Student s = Student() s.print_file()