Python implementaiton of bubble sort is now shown, also tab fixes

Author: VikingScientist

chapters/sorting_searching/bubble/bubble_sort.md

@@ -16,6 +16,8 @@ This means that we need to go through the vector $$\mathcal{O}(n^2)$$ times with
 [import:3-21, lang:"c_cpp"](code/c/bubble_sort.c)
 {% sample lang="js" %}
 [import:1-11, lang:"javascript"](code/js/bubble.js)
+{% sample lang="py" %}
+[import:5-10, lang:"python"](code/python/bubblesort.py)
 {% sample lang="hs" %}
 [import, lang:"haskell"](code/haskell/bubbleSort.hs)
 {% sample lang="cpp" %}

chapters/sorting_searching/bubble/code/python/bubblesort.py

@@ -1,23 +1,18 @@
-#!usr/bin/python3
-
-#import section
+from __future__ import print_function
 import random
 
 
 def bubble_sort(array):
-  len_array = len(array)
-  for i in range(len_array):
-    for j in range(len_array - i - 1):
-      if(array[j] > array[j+1]):
-        array[j], array[j+1] = array[j+1], array[j] #swap elements in the list
-
+    len_array = len(array)
+    for i in range(len_array):
+        for j in range(len_array - i - 1):
+            if(array[j] > array[j+1]):
+                array[j], array[j+1] = array[j+1], array[j] #swap elements in the list
 
 def main():
-  number = [random.randint(0, 10000) for _ in range(10)]
-  print("Before Sorting  {}".format(number))
-  bubble_sort(number)
-  print("After Sorting  {}".format(number))
-
+    number = [random.randint(0, 1000) for _ in range(10)]
+    print("Before Sorting  {}".format(number))
+    bubble_sort(number)
+    print("After Sorting  {}".format(number))
 
-if __name__ == "__main__":
-  main()
+main()