class Test:
def insideFunction(self, array):
pass
if __name__ == '__main__':
arrary = [12, 11, 13, 5, 6, 7]
example1 = Test()
example1.insideFunction(arrary)
print(arrary)

class Test:
def insideFunction(self, array):
pass
if __name__ == '__main__':
arrary = [12, 11, 13, 5, 6, 7]
example1 = Test()
example1.insideFunction(arrary)
print(arrary)