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The original was posted on /r/homeassistant by /u/ziggycatuk on 2023-07-04 23:46:46+00:00.

I have two entities

first is for a temperature sensor- sensor.office_thermostat_temperature

and second is a number helper (slider on the dashboard) - input_number.office_temp_control

How do I create a new entity that appends the second entity to the first

(for example)

sensor.office_thermostat_temperature has a value of 18

input_number.office_temp_control has a value of 17.5

New created entity office_temp_control has a value of 18#17.5 ( # just represents a seperator to parse the two values in a template)

thanks