serafdev · July 27, 2022 18:04 · Jul 27, 2022
diff --git a/collection_as_param.py b/collection_as_param.py
@@ -0,0 +1,25 @@
+from typing import List
+
+import random
+
+
+def f(x: List[int] = []) -> List[int]:
+    """
+    Function that appends 1 random int to List x.
+
+    If no list is passed, returns a List with 1 element.
+    """
+    x.append(random.randint(0, 100))
+    return x
+
+print(f())
+print(f())
+print(f())
+print(f())
+
+""" Returns:
+[84]
+[84, 70]
+[84, 70, 1]
+[84, 70, 1, 16]
+"""