All of your code should be within a function, i$.$e$.,$ no global vari

Sample Test Cases

Here are some of the test cases your submission must pass.

Call: position$(\text{'}$King$\text{'},\text{'}f3\text{'})$

Return: $[\text{'}$e$4\text{'},\text{'}$f$4\text{'},\text{'}$g$4\text{'},\text{'}$e$3\text{'},\text{'}$g$3\text{'},\text{'}$e$2\text{'},\text{'}$f$2\text{'},\text{'}$g$2\text{'}]$

Call: position$(\text{'}$kings$\text{'},\text{'}$f$3\text{'})$

Return: $[]$

Call: position$(\text{'}$Rook$\text{'},\text{'}$i$4\text{'})$

Return: $[]$

Call: position$(\text{'}$pawn$\text{'},\text{'}$b$7\text{'})$

Return: $[\text{'}$b$8\text{'}]$

Call: position$(\text{'}$knight$\text{'},\text{'}$d$4\text{'})$

Return: $[\text{'}$e$6\text{'},\text{'}$f$5\text{'},\text{'}$f$3\text{'},\text{'}$e$2\text{'},\text{'}$b$3\text{'},\text{'}$c$2\text{'},\text{'}$b$5\text{'},\text{'}$c$6\text{'}]$

Call: position$(\text{'}$Earl$\text{'},\text{'}$d$4\text{'})$

Return: $[\text{'}$e$8\text{'},\text{'}$c$8\text{'},\text{'}$h$5\text{'},\text{'}$h$3\text{'}]$