Python Function Exercise Part 2

1.Write a function that computes the volume of a sphere given its radius.
2.Write a function that checks whether a number is in a given range (inclusive of high and low)
3.Write a Python function that accepts a string and calculates the number of upper case letters and lower case letters.
4.Write a Python function that takes a list and returns a new list with unique elements of the first list.
5.Write a Python function to multiply all the numbers in a list.
6.Write a Python function that checks whether a passed string is palindrome or not.
7. To check given no is prime or not
.
please drop a mail or type your questions in the comment section.

[anumehan]

why do we use palindromes in python and why do we have to tell if it is a palindrome