added reference for the question

RamachandraBhardwaj · web-flow · commit ae4103fc55fb · 2025-10-05T14:25:37.000+05:30
diff --git a/bit_manipulation/fin_two_unique_numbers.py b/bit_manipulation/fin_two_unique_numbers.py
@@ -1,3 +1,4 @@
+#Reference : https://www.geeksforgeeks.org/dsa/find-two-non-repeating-elements-in-an-array-of-repeating-elements
 def find_two_unique_numbers(arr: list[int]) -> tuple[int,int]:
     """
     Given a list of integers where every elemnt appears twice except for two numbers,

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,4 @@`
	`1`	`+#Reference : https://www.geeksforgeeks.org/dsa/find-two-non-repeating-elements-in-an-array-of-repeating-elements`
`1`	`2`	`def find_two_unique_numbers(arr: list[int]) -> tuple[int,int]:`
`2`	`3`	`"""`
`3`	`4`	`Given a list of integers where every elemnt appears twice except for two numbers,`