Update dynamic_programming/factorial.py

cclauss · web-flow · commit b7ecbf636037 · 2020-08-05T12:41:29.000+02:00
diff --git a/dynamic_programming/factorial.py b/dynamic_programming/factorial.py
@@ -1,7 +1,7 @@
 # Factorial of a number using memoization
 
 
-def factorial(num):
+def factorial(num: int) -> int:
     """
     >>> factorial(7)
     5040

Original file line number	Diff line number	Diff line change
`@@ -1,7 +1,7 @@`
`1`	`1`	`# Factorial of a number using memoization`
`2`	`2`
`3`	`3`
`4`		`-def factorial(num):`
	`4`	`+def factorial(num: int) -> int:`
`5`	`5`	`"""`
`6`	`6`	`>>> factorial(7)`
`7`	`7`	`5040`