first commit

t3.py

@@ -0,0 +1,12 @@
+from dataclasses import dataclass
+
+
+def return_list(txt: str or [str]) -> [str]:
+    _list = []
+    if type(txt) in (tuple, list):
+        _list = txt
+    elif type(txt) in (str, int):
+        _list = [txt]
+    return _list
+
+print(return_list("xxx"))