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  • I used the tutorials on our IoT website, the switch one and the photo resistor one for reference. These codes seems to work and I figured it out how to combine them together. 
  • It takes a long time for me to incorporate the switch in and change the mapping of lightness of the resistor. It turned out to be that I didn't link the switch to the GND. 
  • Finally the switch and the photo resistor is working.

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