pythonic code for bubble sort

snippets/bubble_sort.md

@@ -6,9 +6,7 @@ def bubble_sort(lst):
     for passnum in range(len(lst) - 1, 0, -1):
         for i in range(passnum):
             if lst[i] > lst[i + 1]:
-                temp = lst[i]
-                lst[i] = lst[i + 1]
-                lst[i + 1] = temp
+                lst[i], lst[i + 1] = lst[i + 1], lst[i]
 
 ```
 

test/bubble_sort/bubble_sort.py

@@ -2,6 +2,4 @@ def bubble_sort(lst):
     for passnum in range(len(lst) - 1, 0, -1):
         for i in range(passnum):
             if lst[i] > lst[i + 1]:
-                temp = lst[i]
-                lst[i] = lst[i + 1]
-                lst[i + 1] = temp
+                lst[i], lst[i + 1] = lst[i + 1], lst[i]

test/bubble_sort/bubble_sort.test.py

@@ -1,6 +1,15 @@
-import types,functools
+import types
+import functools
 from pytape import test
 from bubble_sort import bubble_sort
+
+
 def bubble_sort_test(t):
-t.true(isinstance(bubble_sort, (types.BuiltinFunctionType, types.FunctionType, functools.partial)),'<util.read_snippets.<locals>.snippet object at 0x7fc8ea4c6978> is a function')
-test('Testing bubble_sort',bubble_sort_test)
+    t.true(
+        isinstance(bubble_sort, (types.BuiltinFunctionType, types.FunctionType,
+                                 functools.partial)),
+        '<util.read_snippets.<locals>.snippet object at 0x7fc8ea4c6978> is a function'
+    )
+
+
+test('Testing bubble_sort', bubble_sort_test)