From fd38128f1b658a5d630b383da9a75dffb26126bb Mon Sep 17 00:00:00 2001
From: bhattbhavesh91 <bhattbhavesh91@gmail.com>
Date: Mon, 19 Jun 2017 16:50:51 +0000
Subject: [PATCH] Done

---
 build.py                   |  18 ++++++++++++++++++
 build.pyc                  | Bin 0 -> 547 bytes
 tests/__init__.pyc         | Bin 0 -> 168 bytes
 tests/test_is_rotation.pyc | Bin 0 -> 1068 bytes
 4 files changed, 18 insertions(+)
 create mode 100644 build.pyc
 create mode 100644 tests/__init__.pyc
 create mode 100644 tests/test_is_rotation.pyc

diff --git a/build.py b/build.py
index e69de29..9ca16f4 100644
--- a/build.py
+++ b/build.py
@@ -0,0 +1,18 @@
+def is_rotation(s1,s2):
+    if s1 == None or s2 == None:
+        return False
+    if s1 == '':
+        if s2 == '':
+            return True
+        return False
+
+    for index in range(len(s1)):
+# Keep iterating through the 1st index and keep pushing the 1st value to the last.
+# if the string matches to the 2nd string then it its rotational.
+# i = 0 --> s[0:] + s[] = s2 ?  -- ABCD + [] = CDAB (No)
+# i = 1 --> s[1:] + s[1] = s2? --- BCD + A = CDAB (No)
+# i = 2 --> s[2:] + s[0:2] = s2? -- CD + AB = CDAB (Yes)
+# Hence rotational
+        if s1[index:]+s1[0:index] == s2:
+            return True
+    return False
diff --git a/build.pyc b/build.pyc
new file mode 100644
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GIT binary patch
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diff --git a/tests/__init__.pyc b/tests/__init__.pyc
new file mode 100644
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diff --git a/tests/test_is_rotation.pyc b/tests/test_is_rotation.pyc
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