Undo-Redo 1.1

Implementation of Undo, Redo

Implementation of Undo/Redo

How to install:-
pip install Undo-Redo

UndoRedo class contains following functions:-

1. append()
   It will append data into stack.
2. pop()
   It will pop data upto current index.
3. undo()
   It decreases the current index.
4. redo()
   It increases the current index.
5. undoText()
   Returns data of (current index-1). It can be used before undo().
6. redoText()
   Returns data of (current index+1). It can be used before redo().
7. undoAvailable()
   Return True if undo is possible.
8. redoAvailable()
   Return True if redo is possible.
9. out()
   Returns stack as list.

Example:-
from Undo_Redo import UndoRedo module import
stack=UndoRedo() create object