Doubt in Challenge-Building a Mobile Friendly Pokedox

I’m getting very low accuracy of 10% .
Pls tell me what am i doing wrong and how to improve as it’s really bad score.
Link to jptr ntbk–
https://colab.research.google.com/drive/1PFqBjr1WUquKHwp_A4gy_KkyDs-bzBny

sharable link–
https://colab.research.google.com/drive/1PFqBjr1WUquKHwp_A4gy_KkyDs-bzBny