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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def stack_push(self, thing):
 """ Push 'thing' to the stack, writing the thing to memory and adjusting the stack pointer. """

        # increment sp
        sp = self.regs.sp + self.arch.stack_change
        self.regs.sp = sp
        return self.memory.store(sp, thing, endness=self.arch.memory_endness)