you are given these json  need to find ouput  like below  for the input java ,
number denotes index postion   in O(1)


 output expected -
 
x: java->rank 1
u:java->rank 3

input jsons ,search word -java

"x":[java,c ,c#]
"y":[c ,python]
"z":[ruby,scala ,c#]
"u":[c ,sql,java]