Question

What is indexing in context to Python strings ? J Why is it also called two-way indexing ?

Answer 1

Indexing in context of python string and two way indexing:

• In Python strings, each separate character is assigned a location number, named “index” and this process is known as “indexing”.  

• Python assigns indices in 2 directions: 1. in forward direction; here the indexes are numbered as 0,1, 2, length-1. 2. In backward direction, the indexes are numbered as -1, -2, -3, length. This is recognized as “two-way indexing”.

Hope it helped..

Answer 2

$\large{\bullet{\underline{\tt{explanation:-}}}}$

• In python strings , each individual characters is given a location number , called index and this process is called indexing.
• Python allocates indices in two directions:

1. In forward direction, the indexes are numbered as 0,1,1. ...length -1.
2. In backward direction, the indexes are numbered as -1. This is known as two way indexing.