Variable name change (#586)

The current variable name 'number' is a little generic and it doesn't really point to an array.  It may confuse a beginner

Author: tsik1

contents/bubble_sort/code/python/bubblesort.py

@@ -9,9 +9,9 @@ def bubble_sort(array):
                 array[j], array[j+1] = array[j+1], array[j] #swap elements in the list
 
 def main():
-    number = [random.randint(0, 1000) for _ in range(10)]
-    print("Before Sorting  {}".format(number))
-    bubble_sort(number)
-    print("After Sorting  {}".format(number))
+    random_array = [random.randint(0, 1000) for _ in range(10)]
+    print("Before Sorting  {}".format(random_array))
+    bubble_sort(random_array)
+    print("After Sorting  {}".format(random_array))
 
 main()