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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 setProvisioningUrl(self, strURL='grl.com'):
 """set provisioning Url Args: strURL: Provisioning Url string Returns: True: successful to set provisioning Url False: fail to set provisioning Url """

        print '%s call setProvisioningUrl' % self.port
        self.provisioningUrl = strURL
        if self.deviceRole == Thread_Device_Role.Commissioner:
            cmd = WPANCTL_CMD + 'setprop Commissioner:ProvisioningUrl %s' %(strURL)
            print cmd
            return self.__sendCommand(cmd)[0] != "Fail"
        return True