TheAlgorithms
diff --git a/‎maths/binomial_coefficient.py
+1-1 b/‎maths/binomial_coefficient.py
+1-1
@@ -1,4 +1,4 @@
-def binomial_coefficient(n, r):
+def binomial_coefficient(n: int, r: int) -> int:
     """
     Find binomial coefficient using pascals triangle.
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-def binomial_coefficient(n, r):`
	`1`	`+def binomial_coefficient(n: int, r: int) -> int:`
`2`	`2`	`"""`
`3`	`3`	`Find binomial coefficient using pascals triangle.`
`4`	`4`