Using Python Packages
This lesson gives a brief overview of Python packages.
We'll cover the following
Importing packages #
Python allows developers to group related functions into hierarchical namespaces like packages, modules, etc.
When we want to use a module, class, or function from a package, we need to import it. There are many different ways to import packages. The most basic syntax is:
import numpy
after which any relevant module, class or function in that package inside numpy
can be called as numpy.function()
.
Some packages also have sub-packages with specialized functions. For example, the numpy
package has a subpackage called random
, which has a bunch of functions that deal with random variables.
numpy
also has a sub-package linalg
, which has a bunch of functions for linear algebra.
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