testcases:
  - name: "testcase 1"
    inputs:
    - 1: kayak
    output:
    - 1 : True
  - name: "testcase 2"
    inputs:
    - 1 : hello
    output: 
    - 1 : False
  - name: "testcase 3"
    inputs:
    - 1: RACEACAR
    output:
    - 1: False
  - name: "testcase 4"
    inputs:
    - 1: A
    output:
    - 1: True
  - name: "testcase 5"
    inputs:
    - 1: ABCDABCD
    output:
    - 1: False