Update reverse_string.py

solutions/reverse_string.py

@@ -1,4 +1,24 @@
-def reverse_string(s):
+"""
+This module provides a function to reverse an inputed string.
+
+Function:
+    reverse_string(s: str) -> str:
+        Reverses the input string and returns the reversed one.
+
+Features:
+- Simple and efficient string reversal.
+- Built-in error handling for invalid inputs.
+
+Raises:
+        TypeError: If the input `s` is not a string.
+        ValueError: If the input `s` is an empty string.
+Example:
+    >>> reverse_string("Deadline")
+    enildaeD
+"""
+
+
+def reverse_string(s: str) -> str:
     """
     Reverses the given string.
 
@@ -11,5 +31,13 @@ def reverse_string(s):
     Example:
     >>> reverse_string("hello")
     'olleh'
+    >>> reverse_string("12345")
+        '54321'
     """
+    # Defensive assertion: Ensure the input is a string
+    if not isinstance(s, str):
+        raise TypeError("Input must be a string")
+    # Defensive assertion: Ensure the string is not empty
+    if not s:
+        raise ValueError("Input string cannot be empty")
     return s[::-1]  # Return the reversed string using slicing