encode and decode string today

Author: LEUNGUU

src/encode_decode_string.py

@@ -0,0 +1,17 @@
+class Solution:
+    def encode(self, strs):
+        res = ""
+        for s in strs:
+            res += str(len(s)) + "#" + s
+        return res
+
+    def decode(self, str):
+        res, i = [], 0
+        while i < len(str):
+            j = i
+            while str[j] != "#":
+                j += 1
+            length = int(str[i:j])
+            res.append(str[j + 1 : j + 1 + length])
+            i = j + 1 + length
+        return res

tests/test_encode_decode_string.py

@@ -0,0 +1,21 @@
+from encode_decode_string import Solution
+import logging
+
+logger = logging.getLogger(__name__)
+
+testcase = [
+    {
+        "testcase": ["neet", "code", "like", "you"],
+        "result": ["neet", "code", "like", "you"],
+    }
+]
+
+
+def test_encode_decode_string():
+    for tc in testcase:
+        strs = tc["testcase"]
+        middle = Solution().encode(strs)
+        logger.info(print(middle))
+        ans = Solution().decode(middle)
+        logger.info(print(ans))
+        assert ans == tc["result"]