these packages need to be downloaded and installed separatelyor you choose to usee distribution package like anaconda here you find an overview of the numpy libraryhere you find an overview of the scipy libraryhere you find an overview of the matplotlib libraryyou will learn the basics features in all these libraries we will use all of the in different examples and exercises throughout this textbook example using libraries in this example we use the numpy library im po rt numpy np np print (yin this example we use both the math module in the python standard library and the numpy library im po rt math mt im po rt numpy np mt print ( np print (ynoteas seen in this example we use function called sin(which exists both in the math module in the python standard library and the numpy library in this case they give the same results in this case the following code is not recommended from math im por from numpy imp ort