what does inheritance allows you to do code example

Example: what is inheritance

it is used to define relationship between two class, 
which a child class occurs all the properties and behaviours of a parent class. 
Provides code reusability.
Ex: in my framework I have a TestBase class which I store 
all my reusable code and methods. My test execution classes and 
elements classes will extend the TestBase in order to reuse the code.