bucket/wolfpack/my_work py from my_calc import sum numdiff num print("{ { { }format(xysum num(xy))print("{ { { }format(xydiff num(xy))close the python terminal and open it again then execute the commands and it will work fine(pythondsppython from wolfpack import my_work warningnowthe folder 'wolfpackis 'packageand the files inside it can not be executed directlyas these files have 'dotoperators in the 'importstatement following error will be generated if we run the 'package-moduledirectly (pythondspcd wolfpack(pythondspls my_calc py my_work py (pythondsppython my_work py traceback (most recent call last)file "my_work py"line in from my_calc import sum numdiff num modulenotfounderrorno module named '__main__ my_calc'the files in the package module can be executed through root-folders ( bucketby importing the modules alsothe folder 'wolfpackcan be called as python-file in the codes 'import wolfpackwe will use following terms for the two foldersroot directory 'bucketpackage directory 'wolfpackglobally available package if we 'cut and pastethe package folder ( wolfpackinside the folder 'site-packages'then it will be available globally in the environmenti it can be imported into any project at any location notedo not cut and paste the folder now we will create the package in section and use 'setup pycommand to install the package __init__ file in listing we import the function 'sum numusing following command packages