instruction: Write Go code to go by example: slices
output: ```dockerfile
  $ go run slices.go
  uninit: [] true true
  emp: [ ] len: 3 cap: 3
  set: [a b c]
  get: c
  len: 3
  apd: [a b c d e f]
  cpy: [a b c d e f]
  sl1: [c d e]
  sl2: [a b c d e]
  sl3: [c d e f]
  dcl: [g h i]
  t == t2
  2d: [[0] [1 2] [2 3 4]]
  ```