May be I'm too stupid to understand this

Tell us what’s happening:
Describe your issue in detail here.
I do not understand what is going on, I followed the instructions

Your code so far

// Variable declarations
var StUdLyCapVaR;
var propercamelCase;
var TitleCaseOver;

var studlyCapVar = 10;
var propercamelCase = "A String";
var titleCaseOver = 9000;

// Variable assignments
studlyCapVar = 10;
propercamelCase = "A String";
titleCaseOver = 9000;

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Challenge: Understanding Case Sensitivity in Variables

Link to the challenge:

The instructions say:

“Do not create any new variables.”

So the starting code has six lines (three declarations and three assignments). That’s how many lines you should have after your changes.