diff --git a/leetcode 7.py b/leetcode 7.py
new file mode 100644
index 0000000..7b25da3
--- /dev/null
+++ b/leetcode 7.py	
@@ -0,0 +1,19 @@
+class Solution(object):
+    def reverse(self, x):
+        m=2147483647 
+        s=str(x)
+        if(x>=0):
+            s=s[::-1]
+            ans=int(s)
+            if(ans>m): ans=0
+            return ans
+        else:
+            s=s[1:]
+            s=s[::-1]
+            ans=int(s)
+            if(ans>m): ans=0
+            return -ans
+        """
+        :type x: int
+        :rtype: int
+        """
\ No newline at end of file