Two ways to organize the Python package

Way One
/package1/.../__init__.py

        # Empty File

.../class1.py

        class Class1:             def __init__ (self):                 " class One "                        def Printinfo (self):                 Print ("I am class one! ")

.../class2.py

        class Class2:             def __init__ (self):                 " class A "                        def Printinfo (self):                 Print ("I am class two! ")

/demo1.py

     from Import Class1      from Import Class2     if __name__ " __main__ " :         = Class1 ()        c1.printinfo        () = Class2 ()        c2.printinfo ()

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Mode two/package2/
.../__init__.py

         from Import Class1          from Import Class2

.../class1.py

        class Class1:             def __init__ (self):                 " class One "                        def Printinfo (self):                 Print ("I am class one! ")

.../class2.py

        class Class2:             def __init__ (self):                 " class A "                        def Printinfo (self):                 Print ("I am class two! ")

/demo2.py

     from Import Class1, Class2     if __name__ " __main__ " :         = Class1 ()        c1.printinfo        () = Class2 ()        c2.printinfo ()

Two ways to organize the Python package