add 1768-merge-strings-alternately.py

Author: Dhyan-P-Shetty

python/1768-merge-strings-alternately.py

@@ -0,0 +1,14 @@
+class Solution:
+    def mergeAlternately(self, word1: str, word2: str) -> str:
+        i = j = 0
+        res = []
+
+        while i < len(word1) and j < len(word2):
+            res.append(word1[i])
+            res.append(word2[j])
+            i += 1
+            j += 1
+        res.append(word1[i:])
+        res.append(word2[j:])
+        return ''.join(res)
+