Solved 28. Find the Index of the First Occurrence in a String

python/28_find_the_index_of_the_first_occurrence_in_a_string

@@ -0,0 +1,6 @@
+class Solution:
+    def strStr(self, haystack: str, needle: str) -> int:
+        for i in range(len(haystack)):
+            if haystack[i:i+len(needle)] == needle:
+                return i
+        return -1