1 files changed, 6 insertions, 0 deletions
diff --git a/progs/a172.py b/progs/a172.py
new file mode 100644
index 0000000..aa99281
--- /dev/null
+++ b/progs/a172.py
@@ -0,0 +1,6 @@
+import re
+def occurance_substring(text,pattern):
+ for match in re.finditer(pattern, text):
+    s = match.start()
+    e = match.end()
+    return (text[s:e], s, e)
+\ No newline at end of file