diff --git a/aula108.py b/aula108.py
new file mode 100644
index 0000000..8e1da32
--- /dev/null
+++ b/aula108.py
@@ -0,0 +1,21 @@
+# count é um iterador sem fim (itertools)
+from itertools import count
+
+c1 = count(step=8, start=8)
+r1 = range(8, 100, 8)
+
+print('c1', hasattr(c1, '__iter__'))
+print('c1', hasattr(c1, '__next__'))
+print('r1', hasattr(r1, '__iter__'))
+print('r1', hasattr(r1, '__next__'))
+
+print('count')
+for i in c1:
+    if i >= 100:
+        break
+
+    print(i)
+print()
+print('range')
+for i in r1:
+    print(i)