add: boj/1541.py

boj/1541.py

@@ -0,0 +1,17 @@
+s=input()
+
+smarr=s.split("-")
+front=True
+result=0
+
+for i in smarr:
+    p=0
+    for j in i.split("+"):
+        p+=int(j)
+    if front:
+        result+=p
+        front=False
+    else:
+        result-=p
+
+print(result)