Implement UUID Generation Function

uuid_generator.py

@@ -0,0 +1,29 @@
+import uuid
+
+def generate_uuid() -> str:
+    """
+    Generate a universally unique identifier (UUID) using a cryptographically secure random number generator.
+
+    Returns:
+        str: A UUID following RFC 4122 version 4 format.
+    """
+    return str(uuid.uuid4())
+
+# Test the generated UUID to ensure it meets the criteria
+def test_uuid_format() -> None:
+    uuid_str = generate_uuid()
+    assert len(uuid_str) == 36, "UUID should be a 36-character string"
+    assert "-" in uuid_str, "UUID should have correct hyphen placement"
+    for char in uuid_str:
+        assert char in "0123456789abcdefABCDEF-", "UUID should contain only hexadecimal characters and hyphens"
+
+# Ensure two consecutive UUID generations produce different values
+def test_consecutive_uuids() -> None:
+    uuid1 = generate_uuid()
+    uuid2 = generate_uuid()
+    assert uuid1 != uuid2, "Two consecutive UUID generations should produce different values"
+
+# Run the test functions
+if __name__ == "__main__":
+    test_uuid_format()
+    test_consecutive_uuids()