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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 manage_pump(self, operation):
 """ Updates control module knowledge of pump requests. If any sensor module requests water, the pump will turn on. """

        if operation == "on":
            self.controls["pump"] = "on"
        elif operation == "off":
            self.controls["pump"] = "off"

        return True