fix: correct loop range in climbStairs method to prevent unnecessary iteration

Author: hongseoupyun

climbing-stairs/hongseoupyun.py

@@ -20,7 +20,7 @@ def climbStairs(self, n: int) -> int:
 
         prev1 = 1
         prev2 = 2
-        for i in range(n,n+1):
+        for i in range(3,n+1):
             current = prev2 + prev1
             prev1 = prev2
             prev2 = current