how to fetch a value from tuple

Answer 1

Like you do it with lists - by indexing.

t = (1, 2, 3)
print(t[2])

Output: 3

Answer 2

Just specifying its index
For example,
tup=('4','5','6')
print(tup[1])

Output:
5

Answer 3

You will find some valuable information from here
https://www.guru99.com/JUMP_LINK__&&__python__&&__JUMP_LINK-tuples-tutorial-comparing-deleting-slicing-keys-unpacking.html

Answer 4

By index with square bracket like you would a list. You can use slicing just like a list also.
tup = (1,2,3)
tup[0]
tup[-1]
tup[1:]
etc...