Question: how to transfer pokemon from pokemon let's go to pokemon go?
Answer: In Pokémon GO, tap the Poké Ball icon, then select “Pokémon”.
Tap the Nintendo Switch icon in the upper-right corner.
Tap the Pokémon you want to transfer, then “Send to Nintendo Switch”.
Select “Yes” when asked if you want to transfer the Pokémon to your Nintendo Switch console.
Select “OK”.