task 1 summary

https://docs.google.com/presentation/d/e/2PACX-1vTMpDa7CHAeIVZXXJFmuxItrY_CmhUv1UgTSya4j5Wud14w1cB6PU1n05IJIz3ixfS24R49shhS6gNW/pub?start=false&loop=false&delayms=3000