From bb4a560e13b4273226ac808af3ae816826edbac4 Mon Sep 17 00:00:00 2001
From: jatinsajwan3841 <58560850+jatinsajwan3841@users.noreply.github.com>
Date: Mon, 11 Oct 2021 10:31:47 +0530
Subject: [PATCH] leetcode Roman to integer problem in py

---
 RomanToInt.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 RomanToInt.py

diff --git a/RomanToInt.py b/RomanToInt.py
new file mode 100644
index 0000000..6d2a9de
--- /dev/null
+++ b/RomanToInt.py
@@ -0,0 +1,21 @@
+class Solution:
+    def romanToInt(self, s: str) -> int:
+        defval = {
+        'I' : 1,
+        'V' : 5,
+        'X' : 10,
+        'L' : 50,
+        'C' : 100,
+        'D' : 500,
+        'M' : 1000
+    }
+        val,last = 0,0
+        for x in s[::-1]:
+            temp = defval[x]
+            if temp >= last:
+                val += temp
+                last = temp
+            else:
+                val -= temp
+                last = temp 
+        return val