# file manipulation

class Filer():
    #open file function hard coded file name
    def openFile(self):
        with open('system_config.txt') as file_object:
            contents = file_object.read()
            print(contents)

    #open file function with argument
    def openFile2(self,file):
        with open(file) as file_object:
            contents = file_object.read()
            print(contents)



filer = Filer()
filer.openFile()
filer.openFile2('people.txt')