Define function to change member data
class NextClass: # define class
def printer(self, text): # define method
self.message = text # change instance
print self.message # access instance
x = NextClass() # make instance
x.printer('instance call') # call its method
print x.message # instance changed
NextClass.printer(x, 'class call') # direct class call
print x.message # instance changed again
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