Add question explanation

prabhupant · web-flow · commit 411e2721993f · 2019-10-26T07:58:37.000+05:30
diff --git a/data_structures/array/dutch_flag_problem.py b/data_structures/array/dutch_flag_problem.py
@@ -1,3 +1,8 @@
+# Given an array containing only 0s, 1s and 2s in a random order, arrange the array such that all 0s come 
+# before 1s which in turn come before all 2s
+# Input - [1,2,0,1,2,1,0,1,2,1,0]
+# Output - [0,0,0,1,1,1,1,1,2,2,2]
+
 def dutch(arr):
     low = 0
     mid = 0
