pls help with the solution in steps, the part b Is using a python code

9.17 A temperature sensor is to be placed above a CH4-air jet flame along the extension of the flame's centerline. It is desired to locate the sensor as close as possible to the flame; however, the maximum-temperature operating limit of the sensor is 1200K. The system operates at 1 atm and the air and fuel enter at 300K. A. Using the simplified state relationships for a diffusion flame, determine the mixture fraction that would correspond to a sensor temperature limit of 1200K. Assume a constant specific heat cp of 1087J/kgK. B. Now use Cantera to calculate the CH4-air jet flame with GRI-3.0 mechanism and repeat part A to check how accurate the simplified state relationships are. Discuss