Added python Bogo Sort (#142)

Author: VikingScientist

CONTRIBUTORS.md

@@ -9,4 +9,5 @@ Maxime Dherbécourt
 Jess 3Jane
 Pen Pal
 Chinmaya Mahesh
-Unlambder
+Kjetil Johannessen
+Unlambder

chapters/sorting_searching/bogo/bogo_sort.md

@@ -25,6 +25,8 @@ In code, it looks something like this:
 [import:2-17, lang:"java"](code/java/bogo.java)
 {% sample lang="js" %}
 [import:1-16, lang:"javascript"](code/js/bogo.js)
+{% sample lang="py" %}
+[import:4-12, lang:"python"](code/python/bogo.py)
 {% sample lang="hs" %}
 [import, lang:"haskell"](code/haskell/bogoSort.hs)
 {% sample lang="m" %}

chapters/sorting_searching/bogo/code/python/bogo.py

@@ -0,0 +1,20 @@
+import random
+
+
+def is_sorted(a):
+    for i in range(len(a)-1):
+        if a[i+1] < a[i]:
+            return False
+    return True
+
+def bogo_sort(a):
+    while not is_sorted(a):
+        random.shuffle(a)
+
+def main():
+    a = [1., 3, 2, 4]
+    bogo_sort(a)
+    print(a)
+
+main()
+