1. Added subset testcase to driver code

2. Bright money assignment for Data analyst position

Author: absognety

BrightMoney/Data_Analyst_Test.docx

@@ -43,4 +43,8 @@ def total_distance(intervals):
     arr1 = [(5,10)]
     print (total_distance(arr1))
     arr2 = [(5,10),(8,12)]
-    print (total_distance(arr2))
+    print (total_distance(arr2))
+    
+    #subset testcase
+    arr3 = [(2,9),(3,6)]
+    print (total_distance(arr3))