Time: 56 ms (71.78%), Space: 13.8 MB (95.80%) - LeetHub

2011-final-value-of-variable-after-performing-operations/2011-final-value-of-variable-after-performing-operations.py

@@ -1,11 +1,4 @@
 class Solution:
     def finalValueAfterOperations(self, operations: List[str]) -> int:
-        value = 0
         
-        for op in operations:
+        return sum(list(map(lambda x : 1 if x[1] == "+" else -1, operations)))
-            if op[1] == "+":
-                value += 1
-            else:
-                value -= 1
-                
-        return value