Update do-heewan.py

Author: Do-heewan

climbing-stairs/do-heewan.py

@@ -7,4 +7,5 @@ def climbStairs(self, n: int) -> int:
         for i in range(3, n+1):
             dp[i] = dp[i-1] + dp[i-2]
 
-        return dp[n]
+        return dp[n] 
+