diff --git a/520-detect-capital/520-detect-capital.py b/520-detect-capital/520-detect-capital.py
new file mode 100644
index 0000000..c7ada68
--- /dev/null
+++ b/520-detect-capital/520-detect-capital.py
@@ -0,0 +1,13 @@
+class Solution(object):
+    def detectCapitalUse(self, word):
+        """
+        :type word: str
+        :rtype: bool
+        """
+        if word == word.upper():
+            return True
+        
+        if word[1:] == word[1:].lower():
+            return True
+        
+        return False
\ No newline at end of file