MATLAB: How to run this simulation 10000 times

MATLABmultiple simulations

Hello. I am currently working on a random walk scenerio, and this is my code for running the random walk program once.
for z = 2:1001     
    w = rand(1001,1);       
    if (w(z) >= .5)         
        Left(z) = Left(z-1) + 1;
        Right(z) = Right(z-1);
    else 
        Right(z) = Right(z-1) + 1;
        Left(z) = Left(z-1);
    end
end
      Y = Left - Right;
However, I want to run this random walk program 10000 times and record where the random walk simulation ends up. In addition, I want to store where each simulation ends up at to put into a histogram. I tried to use another for loop to run the simulation, but I couldn't get it to work. Any help would be appreciated.
n = 10001;
result = zeros(n,1); 
  
for k = 1:n 
   for z = 2:1001     
    w = rand(1001,1);       
    if (w(z) >= .5)         
        Left(z) = Left(z-1) + 1;
        Right(z) = Right(z-1);
    else 
        Right(z) = Right(z-1) + 1;
        Left(z) = Left(z-1);
    end
end
      Y = Left - Right;
end
result(k) = Y

Best Answer

The assignment to result should be within the outer loop.
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