testcases:
  - name: "testcase 1"
    inputs:
    - 1 : [1,2,3,4,5]
    output: 
    - 1 : 3
  - name: "testcase 2"
    inputs:
    - 1: [1,2,3,4,5,6]
    output:
    - 1 : 4
  - name: "testcase 3"
    inputs:
    - 1: [3,2,1]
    output:
    - 1 : 2
  - name: "testcase 4"
    inputs:
    - 1: [10]
    output:
    - 1 : 10
  - name: "testcase 5"
    inputs:
    - 1: [1,2]
    output:
    - 1 : 2