Count number of occurrences of a given substring in a string

Question

How can I count the number of times a given substring is present within a string in Python?

For example:

>>> \'foo bar foo\'.numberOfOccurre         


        

Answer 1

           def count_substring(string, sub_string):
               k=len(string)
               m=len(sub_string)
               i=0
               l=0
               count=0
               while l