RF-取出json字符串中数组中所有Id

1、取出json字符串中数组中所有Id

 ${Stus}    Evaluate    {"teacher":"Mr Wang","users":[ {"name": "Tom", "Id": 1}, \ {"name": "Mary", "Id": 2}]}
 ${Records}    Evaluate    [Records['Id'] for Records in ${Stus['users']}]
 log    ${Records}