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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 hasCamera(self, nDeviceIndex):
 """For convenience, same as tracked property request Prop_HasCamera_Bool"""


        fn = self.function_table.hasCamera
        pHasCamera = openvr_bool()
        result = fn(nDeviceIndex, byref(pHasCamera))
        return result, pHasCamera