reverse$()$ method on DLL using python

Testing reverse$()$ on DLList...

Creating initial list:

$[\text{'}$F$\text{'},\text{'}$G$\text{'},\text{'}$H$\text{'},\text{'}$I$\text{'},\text{'}$J$\text{'}]$ Size: $5$

Created:

$[\text{'}$F$\text{'},\text{'}$G$\text{'},\text{'}$H$\text{'},\text{'}$I$\text{'},\text{'}$J$\text{'},]$ Size: $5$

Reversing...

Reversed student list: $[\text{'}$J$\text{'},\text{'}$I$\text{'},\text{'}$H$\text{'},\text{'}$G$\text{'},\text{'}$F$\text{'},]$

Expected: $[\text{'}$J$\text{'},\text{'}$I$\text{'},\text{'}$H$\text{'},\text{'}$G$\text{'},\text{'}$F$\text{'}]$

At index $3$:

Your list stores element:

Must store element: G$.$

Test failed