Write a Python program to check whether an element exists within a tuple. Return True if the element exists, else return False.
Example 1:
Input: (5, 'hello', 8.3, 'world', 9, 'a', 'b', 6, 1), 'world'
Output: True
Example 2:
Input: (7, 'world', 3.14, 'd', 'new', 10, 'end', 9, 2), 'not there'
Output: False