Create string-transforms-into-another-string.py

Author: kamyu104

Python/string-transforms-into-another-string.py

@@ -0,0 +1,20 @@
+# Time:  O(n)
+# Space: O(1)
+
+import itertools
+
+
+class Solution(object):
+    def canConvert(self, str1, str2):
+        """
+        :type str1: str
+        :type str2: str
+        :rtype: bool
+        """
+        if str1 == str2:
+            return True
+        lookup = {}
+        for i, j in itertools.izip(str1, str2):
+            if lookup.setdefault(i, j) != j:
+                return False
+        return len(set(str2)) < 26