50 Special Vairable__name___part 2.txt

                                demo.py
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from Calc import add

def fun1():
    add()
    print("from fun1")

def fun2():
    print("from fun2")

def main():
    fun1()
    fun2()


main()


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                                 Calc.py
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def add():
    print("result 1 is ", __name__)


def sub():
    print("result 2 is ")


def main():
    print("in Calc main")
    add()
    sub()

if __name__ == "__main__":
    main()