Implement String Case Randomization Function

utils.py

@@ -0,0 +1,16 @@
+import random
+
+def alternating_case(input_string: str) -> str:
+    """
+    Converts a string to alternating random case.
+
+    :param input_string: The string to convert.
+    :return: The input string with each alphabetic character in a random case.
+    """
+    result = ""
+    for char in input_string:
+        if char.isalpha():
+            result += random.choice(["upper", "lower"])(char)
+        else:
+            result += char
+    return result