Python code to count the number of occurrences in list

#!/usr/bin/python
# -*- coding: utf-8 -*-
# Python code to count the number of occurrences

def countX(lst, x):
   count = 0
   for ele in lst:
       if ele == x:
           count = count + 1
   return count

# Driver Code
lst = [
   8,
   6,
   8,
   10,
   8,
   20,
   10,
   8,
   8,
   ]
x = 8
print '{} has occurred {} times'.format(x, countX(lst, x))