From cde04a257839f23c611372aef5f3f75fe6faf68f Mon Sep 17 00:00:00 2001
From: Tuncay Coklu <tcoklu@gmail.com>
Date: Sat, 27 Oct 2018 15:03:30 +0300
Subject: [PATCH 1/3] Shell sort added

---
 sorting/shell.py | 23 +++++++++++++++++++++++
 tests.py         |  9 +++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 sorting/shell.py

diff --git a/sorting/shell.py b/sorting/shell.py
new file mode 100644
index 0000000..953ce9c
--- /dev/null
+++ b/sorting/shell.py
@@ -0,0 +1,23 @@
+import numpy
+
+def shellSort(input_list):
+    
+    gap = len(input_list) // 2
+    while gap > 0:
+
+        for i in range(gap, len(input_list)):
+            temp = input_list[i]
+            j = i
+# Sort the sub list for this gap
+            while j >= gap and input_list[j - gap] > temp:
+                input_list[j] = input_list[j - gap]
+                j = j-gap
+            input_list[j] = temp
+# Reduce the gap for the next element
+        gap = gap//2
+
+# 20 random numbers generated
+nums = numpy.random.randint(100, size=20).tolist()
+# 20 random numbers sorted
+shellSort(nums)
+print(nums)
\ No newline at end of file
diff --git a/tests.py b/tests.py
index 270c350..f19758b 100644
--- a/tests.py
+++ b/tests.py
@@ -55,3 +55,12 @@
         print "Bucket Sort incorrect"
 except:
     print "Bucketsort function errored or is incomplete"
+
+try:
+    from shell import shell
+    if(shell(list(nums)) == sortedNums):
+        print "Shell Sort success"
+    else:
+        print "Shell Sort incorrect"
+except:
+    print "Shell sort function errored or is incomplete"
\ No newline at end of file

From 902d700299368db72299afc9f2cf49ce36fcdb9f Mon Sep 17 00:00:00 2001
From: Tuncay Coklu <tcoklu@gmail.com>
Date: Sat, 27 Oct 2018 15:08:01 +0300
Subject: [PATCH 2/3] Shell sort modified

---
 sorting/shell.py | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/sorting/shell.py b/sorting/shell.py
index 953ce9c..0ee368e 100644
--- a/sorting/shell.py
+++ b/sorting/shell.py
@@ -1,23 +1,18 @@
 import numpy
 
-def shellSort(input_list):
+def shellSort(numbers):
     
-    gap = len(input_list) // 2
+    gap = len(numbers) // 2
     while gap > 0:
 
-        for i in range(gap, len(input_list)):
-            temp = input_list[i]
+        for i in range(gap, len(numbers)):
+            temp = numbers[i]
             j = i
 # Sort the sub list for this gap
-            while j >= gap and input_list[j - gap] > temp:
-                input_list[j] = input_list[j - gap]
+            while j >= gap and numbers[j - gap] > temp:
+                numbers[j] = numbers[j - gap]
                 j = j-gap
-            input_list[j] = temp
+            numbers[j] = temp
 # Reduce the gap for the next element
         gap = gap//2
-
-# 20 random numbers generated
-nums = numpy.random.randint(100, size=20).tolist()
-# 20 random numbers sorted
-shellSort(nums)
-print(nums)
\ No newline at end of file
+    return numbers

From c1d16218130e8d7925e1a5d4a30a839fdc62aa13 Mon Sep 17 00:00:00 2001
From: Tuncay Coklu <tcoklu@gmail.com>
Date: Sat, 27 Oct 2018 15:10:26 +0300
Subject: [PATCH 3/3] Add <your-name> to Contributors list

---
 sorting/shell.py | 2 --
 1 file changed, 2 deletions(-)

diff --git a/sorting/shell.py b/sorting/shell.py
index 0ee368e..585e07c 100644
--- a/sorting/shell.py
+++ b/sorting/shell.py
@@ -1,5 +1,3 @@
-import numpy
-
 def shellSort(numbers):
     
     gap = len(numbers) // 2