Added "I/O types" and "equality of range objects" (#27417)
Added "I/O types" and "equality of range objects" (#27417)

* Added "I/O types" and "equality of range objects"

Added information about the types of input and output arguments in Python 2 and 3. Added the concept of equality of range objects wrt to == operator in Python 3

* Minor formatting changes

* Minor changes

* removed extra backticks and correct front matter

BhaveshSGupta/FreeCodeCamp,raisedadead/FreeCodeCamp,FreeCodeCamp/FreeCodeCamp,raisedadead/FreeCodeCamp,jonathanihm/freeCodeCamp,BhaveshSGupta/FreeCodeCamp,BhaveshSGupta/FreeCodeCamp,jonathanihm/freeCodeCamp,FreeCodeCamp/FreeCodeCamp