Update 55-Jump-Game.py

directly return a boolean instead of using a ternary operator

Author: UWDavidWu

55-Jump-Game.py

@@ -5,4 +5,4 @@ def canJump(self, nums: List[int]) -> bool:
         for i in range(len(nums) - 2, -1, -1):
             if i + nums[i] >= goal:
                 goal = i
-        return True if goal == 0 else False
+        return goal == 0