Create encode-number.py

Author: kamyu104

Python/encode-number.py

@@ -0,0 +1,14 @@
+# Time:  O(logn)
+# Space: O(1)
+
+class Solution(object):
+    def encode(self, num):
+        """
+        :type num: int
+        :rtype: str
+        """
+        result = []
+        while num:
+            result.append('0' if num%2 else '1')
+            num = (num-1)//2
+        return "".join(reversed(result))