lab of week one.

### 4.2 Gaussian PDF

You will need to implement the PDF for the Gaussian Distribution. The PDF for ποΏ½ if πβΌNormal(π,π)οΏ½βΌNormal(οΏ½,οΏ½) is given by:

π(π₯;π,π)=12π2πβ―β―β―β―βπβ12(π₯βππ)2

use the given formula get 1/2 of values of scipy norm pdf.