added merge overlapping subintervals

algorithms/Python/arrays/merge_overlapping_intervals.py

@@ -0,0 +1,10 @@
+arr = [[1,2],[0,1],[3,4],[4,6],[9,10]]
+arr.sort(key = lambda x : x[0])
+m = []
+for i in range(len(arr)):
+    if m==[] or m[-1][1] < arr[i][0]:
+        v=[arr[i][0],arr[i][1]]
+        m.append(v)
+    else:
+        m[-1][1] = max(m[-1][1],arr[i][1])
+print(*m)