<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def f_cell_temp(poa_global, wind_speed, air_temp):
 """ Calculate cell temperature. :param poa_global: plane of array global irradiance [W/m**2] :param wind_speed: wind speed [m/s] :param air_temp: ambient dry bulb air temperature [degC] :return: cell temperature [degC] """

    temps = pvlib.pvsystem.sapm_celltemp(poa_global, wind_speed, air_temp)
    return temps['temp_cell'].values, temps['temp_module'].values