From 2d0c4c1678aa2caa7f0c42e90708ffa019dfc988 Mon Sep 17 00:00:00 2001
From: Walt Mankowski <waltman@pobox.com>
Date: Tue, 13 Oct 2020 21:18:20 -0400
Subject: replaced bounds checking with try clauses

---
 challenge-082/walt-mankowski/python/ch-2.py | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

(limited to 'challenge-082/walt-mankowski/python')

diff --git a/challenge-082/walt-mankowski/python/ch-2.py b/challenge-082/walt-mankowski/python/ch-2.py
index 662f0816d6..c9ef4de6f2 100644
--- a/challenge-082/walt-mankowski/python/ch-2.py
+++ b/challenge-082/walt-mankowski/python/ch-2.py
@@ -3,17 +3,21 @@ from sys import argv
 def is_interleave(a, b, c):
     if a == '' and b == '' and c == '':
         return 1
-    elif c == '':
-        return 0
 
     found = False
-    if len(a) > 0 and a[0] == c[0]:
-        found = True
-        return is_interleave(a[1:], b, c[1:])
+    try:
+        if a[0] == c[0]:
+            found = True
+            return is_interleave(a[1:], b, c[1:])
+    except IndexError:
+        pass
 
-    if len(b) > 0 and b[0] == c[0]:
-        found = True
-        return is_interleave(a, b[1:], c[1:])
+    try:
+        if b[0] == c[0]:
+            found = True
+            return is_interleave(a, b[1:], c[1:])
+    except IndexError:
+        pass
 
     if not found:
         return 0
-- 
cgit