return Iterable

editor/initial_code/python_3

@@ -1,14 +1,17 @@
-def replace_first(items: list) -> list:
+from typing import Iterable
+
+
+def replace_first(items: list) -> Iterable:
     # your code here
     return items
 
 
 if __name__ == '__main__':
     print("Example:")
-    print(replace_first([1, 2, 3, 4]))
+    print(list(replace_first([1, 2, 3, 4])))
 
     # These "asserts" are used for self-checking and not for an auto-testing
-    assert replace_first([1, 2, 3, 4]) == [2, 3, 4, 1]
-    assert replace_first([1]) == [1]
-    assert replace_first([]) == []
+    assert list(replace_first([1, 2, 3, 4])) == [2, 3, 4, 1]
+    assert list(replace_first([1])) == [1]
+    assert list(replace_first([])) == []
     print("Coding complete? Click 'Check' to earn cool rewards!")

info/task_description.html

@@ -1,7 +1,7 @@
 <!-- Describe task in general -->
 
 <p>
-    In a given array the first element should become the last one. An empty array or array with only one element should stay the same. 
+    In a given {% if interpreter.slug == "js-node" %}array{% else %}list{% endif %} the first element should become the last one. An empty {% if interpreter.slug == "js-node" %}array{% else %}list{% endif %} or {% if interpreter.slug == "js-node" %}array{% else %}list{% endif %} with only one element should stay the same. 
 </p>
 
 <p style="text-align: center;">
@@ -13,7 +13,7 @@
 </p>
 
 <p>
-    <strong>Output: </strong> {% if interpreter.slug == "js-node" %}Array{% else %}List{% endif %}. 
+    <strong>Output: </strong> {% if interpreter.slug == "js-node" %}Array{% else %}Iterable{% endif %}. 
 </p>