first commit

lessons.py

@@ -0,0 +1,16 @@
+class HelloWorld:
+    def __init__(self, num_iters):
+        self.num_iters = num_iters
+        self.counter = 0
+
+
+    def __iter__(self):
+       qreturn self
+       qreturn self
+
+    def __next__(self):
+        if self.counter < self.num_iters:
+            self.counter += 1
+            return "Hello World"
+    raise StopIteration
+