Create Find a string.py

Author: MadJokkerr

Hackerrank Solutions/python/Find a string.py

@@ -0,0 +1,10 @@
+# Problem: https://www.hackerrank.com/challenges/find-a-string/problem
+# Score: 10
+
+
+def count_substring(string, sub_string):
+    count = 0
+    for i in range(len(string) - len(sub_string) + 1):
+        if string[i: i + len(sub_string)] == sub_string:
+            count += 1
+    return count