primeiro commit com exercicios de Exercism realizados até esta data

python/flatten-array/flatten_array.py

@@ -0,0 +1,13 @@
+from types import NoneType
+
+
+def flatten(iterable) -> list:
+    flatten_array: list = []
+    for item in iterable:
+        if isinstance(item, list):
+            flatten_array.extend(flatten(item))
+        elif isinstance(item, NoneType):
+            continue
+        else:
+            flatten_array.append(item)
+    return flatten_array