1. I want to get the uid using name for eg: someFunctionToFindUidOfName('Akt') //should return uid = 0, but don't know how to get that i am new to dataFrames please explain the answer

2. I also want to checkif dataFrame has username and password if it has it will print "user found!"

please answer in 1 and 2 differently and please explain as much as u can in simple terms